$1,599.99
Description
CLASS A
Headphone Amplifier & Preamplifier
The FiiO CLASS A is a fully discrete, fully balanced Class A / Class AB transistor headphone amplifier and preamplifier.
It is built with individual audio transistors and carefully-selected resistors and capacitors. The components of each channel are precisely-matched and manually-tuned to recreate a pure, warm, natural and distinctly analog sound signature.
Five gain levels and independent bass and treble controls let you tailor it to any headphones.
Purchases from Bay Bloor Radio include a 1-Year Warranty from FiiO Canada, with local repair/replacement without the need for international shipping.
Amplifier class
This design is a high-bias Class AB amplifier, with a wide range of Class A operation.
Headphones with an impedance of 60Ω or higher all operate in Class A mode throughout, coveted by audiophiles for sounding smooth, natural, and emotionally engaging.
The Class A power output for 16Ω headphones is approximately 140mW, while for 32Ω headphones, it's just over 500mW. Once the output exceeds the pure Class A operating range, it will enter Class AB mode to enable the delivery of additional power at a lower output impedance, enabling up to 4,000mW at 32Ω.
Five gain levels
Low, medium, high, super high, and ultra high gain make it easy to find the right setting for each pair of headphones, from efficient models to demanding full-size designs.
Tone controls
Independent bass and treble knobs, each with up to ±10dB, add low-frequency weight or treble clarity in the analog domain, without software equalization.
Versatile inputs and outputs
- 4 inputs: 3.5mm single ended, RCA single ended, 4.4mm balanced, and XLR balanced, allow you to easily connect your analog audio source devices.
- 3 headphone outputs: 6.35mm, 4.4mm, and 4-pin XLR allow easy connectivity for most wired headphones on the market.
- 2 line outputs: RCA single ended and XLR balanced allow you to effortlessly connect power amps or active speakers and expand your system, using CLASS A as a preamplifier.
- 12V TRIG IN/OUT bidirectional trigger: link with upstream sources or control downstream amplifiers and speakers for convenient, one touch power on/off across your complete HiFi system where compatible.
Two transistor types
Choosing transistor types is critical to the design of an analog headphone amplifier.
- Toshiba twin and complementary transistors sound warm and smooth, with a relaxed low end and sweet, engaging vocals, lending the music a captivating emotional nuance.
- Sanken Electric audio transistors are precise and fast, with incisive dynamics and strong control, delivering effortless composure and authority in large scale orchestral and rock performances.
Toroidal power supply
The custom 60W toroidal transformer is purpose-built for the high quiescent current demands of this headphone amplifier. It is painstakingly wound through multiple complex processes to provide efficient, low interference, precise, and clean power, helping the amplifier fully realize its sonic potential.
A continuous silicon-steel strip core gives high magnetic flux density and low losses, all-copper enamelled windings give low internal resistance and high current, copper foil between the primary and secondary windings and an outer silicon-steel shield reduce interference, and a built-in resettable thermal switch protects against overheating.
Split power supply
A split power supply design provides independent regulated power to the multiple amplification stages, ensuring a clean and stable power supply with lightning fast transient response.
The 20,000μF high capacity Nichicon audio specific filter capacitors smooth the pulsating current after rectification while storing the energy needed for sudden dynamic peaks. They suppress mains frequency ripple to deliver clean DC and a deep, black background. When drums or full orchestral crescendos hit, they release that stored energy quickly, so dynamics stay controlled and the bass remains tight and powerful.
Fully balanced architecture
Featuring a fully balanced differential circuit architecture, the amplifier delivers strong interference rejection, low distortion, a spacious soundstage and ample driving power. With up to 4,000mW + 4,000mW of balanced output into a 32Ω load (Class AB mode), this amp effortlessly drives a wide range of headphones, unlocking their full sonic potential.
DC servo
A built in high precision DC servo feedback circuit continuously monitors and automatically adjusts the output DC offset, correcting deviations and maintaining the output at zero DC offset. This not only protects your headphones, but also improves bass response and transparency, resulting in clearer sound, better control and more refined low frequency performance.
Carefully-selected components
Built with carefully selected professional audio components, the CLASS A brings you a distinctive experience: exceptional resolution paired with a warm, engaging musical character, balancing outstanding performance with effortless long term listening.
- 8 WIMA film capacitors
- 20 ELNA audio capacitors
- 20 high precision MELF resistors
Comprehensive protection
Multiple built in protection circuits continuously monitor the device in real time and automatically respond when an abnormal condition is detected, helping protect both the amplifier and your headphones.
- DC output protection
- power-input overcurrent protection
- headphone amplifier temperature protection
- overvoltage protection
- output overload detection
- transformer thermal protection
Temperature note
In Class A mode, power consumption is about 30W when powered on even with no signal. It is normal for the chassis to become noticeably warm. To ensure safe operation and proper heat dissipation, please observe the following:
- Maintain ventilation: Do not stack the device or cover the chassis.
- Avoid burns: The primary heat dissipation area is located at the bottom of the unit; do not touch the high-temperature warning areas until the unit has fully cooled down.
- Recommended rack: When using multiple devices, we recommend using the FiiO Modular Desktop Hi-Fi Storage Rack. It is compatible with matching products such as the CLASS A, WARMER R2R, K17 series, and DP11, while providing ample space for heat dissipation.
What’s included
- FiiO CLASS A
- AC Power Cord (North America)
- RCA cable
- XLR port dust cap
- Spare fuse
- 6.35mm to 3.5mm headphone adapter
- Quick start guide
- 1-Year Warranty, administered by FiiO Canada and Bay Bloor Radio (no international shipping required)
Specifications
| General Specifications | |||
| Name/Model | CLASS A | Hardware solution | SoC: ESP32-S3; AMP: Toshiba twin audio transistors*16, Sanken audio transistors*8 Discrete regulated power supply: 2SC4511*1+2SA1725*1; 60W custom toroidal transformer |
| Working mode | Line input mode | ||
| Color | Black/silver | Weight | About 3500g |
| Dimensions | About 213x239x67mm | Volume control | Knob control |
| Gain | Low/Medium/High/Super High/Ultra High | Treble and bass adjustment | Supported (adjustment range±10dB) |
| Firmware upgrade | Supports local upgrade | ||
| Buttons and Ports | |||
| Knob | Input selector knob*1+Gain switching knob*1+Volume knob with button (including Mute/Output switch/Knob indicator light)*1+Bass adjustment knob*1+Treble adjustment knob*1 | USB | Type-C USB2.0*1 (For firmware updates) |
| Button | Power on/off button*1 | Balanced headphone output | Standard 4.4mm port*1+XLR4 balanced port*1 |
| Headphone output | Standard 6.35mm port | Single-ended line input | RCA port*1+Standard 3.5mm port*1 |
| Balanced line input | XLR3 balanced port*1+Standard 4.4mm port*1 | Balanced line output | XLR3 balanced port |
| Single-ended line output | RCA port | TRIGGER IN port | Standard 3.5 mm headphone port (TRIGGER OUT port*1+TRIGGER IN port*1) |
| Power Supply Parameters | |||
| Power supply | AC 100-120V/220-240V~50/60Hz | ||
| Audio Parameters | |||
| RCA/3.5mm input impedance | ＞5kΩ | XLR/4.4mm input impedance | ＞8kΩ |
| RCA/3.5mm max input level | 4.4Vrms | XLR/4.4mm max input level | 11.4Vrms |
| Performance and parameters of headphone output (6.35mm output, RCA/3.5mm line input, Ultra high gain mode) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 1.9Vrms (16Ω, THD+N＜1%) |
| L+R≥2850mW+2850mW (32Ω, THD+N＜1%, 9.6Vrms) | 3Vrms (32Ω, THD+N＜1%) | ||
| L+R≥350mW+350mW (300Ω, THD+N＜1%, 10.3Vrms) | 3.2Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0006% (1kHz/-0.6dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥121dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥121dB (A-weighted) | Noise floor | ＜8uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜0.4dB | Peak output voltage | 29.4Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, RCA/3.5mm line input, Super high gain mode) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 2.6Vrms (16Ω, THD+N＜1%) |
| L+R≥2850mW+2850mW (32Ω, THD+N＜1%, 9.6Vrms) | 4.3Vrms (32Ω, THD+N＜1%) | ||
| L+R≥350mW+350mW (300Ω, THD+N＜1%, 10.3Vrms) | 4.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.00064% (1kHz/1.6dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥121dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥121dB (A-weighted) | Noise floor | ＜8uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜0.5dB | Peak output voltage | 28.5Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, RCA/3.5mm line input, High gain) | |||
| Output power | L+R≥565mW+565mW (16Ω, THD+N＜1%, 3Vrms) | Input sensitivity | 4.4Vrms (16Ω, THD+N＜1%) |
| L+R≥310mW+310mW (32Ω, THD+N＜1%, 3.1Vrms) | 4.4Vrms (32Ω, THD+N＜1%) | ||
| L+R≥35mW+35mW (300Ω, THD+N＜1%, 3.3Vrms) | 4.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.001% (1kHz/3.2dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥115dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥115dB (A-weighted) | Noise floor | ＜6uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9 dB | Peak output voltage | 9.3Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, RCA/3.5mm line input, Medium gain) | |||
| Output power | L+R≥280mW+280mW (16Ω, THD+N＜1%, 2.1Vrms) | Input sensitivity | 4.4Vrms (16Ω, THD+N＜1%) |
| L+R≥155mW+155mW (32Ω, THD+N＜1%, 2.2Vrms) | 4.4Vrms (32Ω, THD+N＜1%) | ||
| L+R≥20mW+20mW (300Ω, THD+N＜1%, 2.3Vrms) | 4.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0015% (1kHz/5.6dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥112dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥112dB (A-weighted) | Noise floor | ＜6uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9 dB | Peak output voltage | 6.5Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, RCA/3.5mm line input, Low gain) | |||
| Output power | L+R≥70mW+70mW (16Ω, THD+N＜1%, 1.1Vrms) | Input sensitivity | 4.4Vrms (16Ω, THD+N＜1%) |
| L+R≥40mW+40mW (32Ω, THD+N＜1%, 1.1Vrms) | 4.4Vrms (32Ω, THD+N＜1%) | ||
| L+R≥5mW+5mW (300Ω, THD+N＜1%, 1.2Vrms) | 4.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0023% (1kHz/5.6dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥106dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥106dB (A-weighted) | Noise floor | ＜6uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9 dB | Peak output voltage | 3.4Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of line/headphone output (RCA output, RCA/3.5mm line input) | |||
| THD+N | PCM: 0.00058% (1kHz/0dBV@10kΩ) | SNR | ≥123dB (A-weighted) |
| Crosstalk | ≥110dB | Dynamic range | ≥123dB (A-weighted) |
| Noise floor | ＜2.7uV (A-weighted) | Line output level | 3.8Vrms (1kHz@10kΩ) |
| Frequency response | 20Hz~95kHz: attenuation＜3 dB | Input sensitivity | 4.2Vrms (10kΩ, THD+N＜1%) |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, RCA/3.5mm line input, Ultra high gain mode) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 1Vrms (16Ω, THD+N＜1%) |
| L+R≥4000mW+4000mW (32Ω, THD+N＜1%, 11.4Vrms) | 1.9Vrms (32Ω, THD+N＜1%) | ||
| L+R≥1360mW+1360mW (300Ω, THD+N＜1%, 20.2Vrms) | 3.1Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0006% (1kHz/-3.2dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥119dB (A-weighted) | Crosstalk | ≥114dB (1kHz@32Ω) |
| Dynamic range | ≥119dB (A-weighted) | Noise floor | ＜13uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜1.4dB | Peak output voltage | 57.7Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, RCA/3.5mm line input, Super high gain mode) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 1.4Vrms (16Ω, THD+N＜1%) |
| L+R≥4000mW+4000mW (32Ω, THD+N＜1%, 11.4Vrms) | 2.6Vrms (32Ω, THD+N＜1%) | ||
| L+R≥1360mW+1360mW (300Ω, THD+N＜1%, 20.2Vrms) | 4.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0006% (1kHz/-0.8dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥118dB (A-weighted) | Crosstalk | ≥114dB (1kHz@32Ω) |
| Dynamic range | ≥118dB (A-weighted) | Noise floor | ＜13uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜1.2dB | Peak output voltage | 57.1Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, RCA/3.5mm line input, High gain) | |||
| Output power | L+R≥1965mW+1965mW (16Ω, THD+N＜1%, 5.6Vrms) | Input sensitivity | 4.4Vrms (16Ω, THD+N＜1%) |
| L+R≥1150mW+1150mW (32Ω, THD+N＜1%, 6.1Vrms) | 4.4Vrms (32Ω, THD+N＜1%) | ||
| L+R≥140mW+140mW (300Ω, THD+N＜1%, 6.5Vrms) | 4.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.00078% (1kHz/3.2dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥118dB (A-weighted) | Crosstalk | ≥113dB (1kHz@32Ω) |
| Dynamic range | ≥118dB (A-weighted) | Noise floor | ＜7.4uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9 dB | Peak output voltage | 18.4Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, RCA/3.5mm line input, Medium gain) | |||
| Output power | L+R≥990mW+990mW (16Ω, THD+N＜1%, 4Vrms) | Input sensitivity | 4.4Vrms (16Ω, THD+N＜1%) |
| L+R≥580mW+580mW (32Ω, THD+N＜1%, 4.3Vrms) | 4.4Vrms (32Ω, THD+N＜1%) | ||
| L+R≥70mW+70mW (300Ω, THD+N＜1%, 4.6Vrms) | 4.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.00096% (1kHz/3.2dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥115dB (A-weighted) | Crosstalk | ≥111dB (1kHz@32Ω) |
| Dynamic range | ≥115dB (A-weighted) | Noise floor | ＜7.3uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9 dB | Peak output voltage | 13.0Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, RCA/3.5mm line input, Low gain) | |||
| Output power | L+R≥250mW+250mW (16Ω, THD+N＜1%, 2 Vrms) | Input sensitivity | 4.4Vrms (16Ω, THD+N＜1%) |
| L+R≥145mW+145mW (32Ω, THD+N＜1%, 2.2Vrms) | 4.4Vrms (32Ω, THD+N＜1%) | ||
| L+R≥20mW+20mW (300Ω, THD+N＜1%, 2.3Vrms) | 4.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0015% (1kHz/5.6dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥109dB (A-weighted) | Crosstalk | ≥105dB (1kHz@32Ω) |
| Dynamic range | ≥109dB (A-weighted) | Noise floor | ＜7uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9 dB | Peak output voltage | 6.5Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced line/headphone output (XLR3 output, RCA/3.5mm line input) | |||
| THD+N | PCM: 0.00046% (1kHz/-2dBV@10kΩ) | SNR | ≥126dB (A-weighted) |
| Crosstalk | ≥120dB | Dynamic range | ≥126dB (A-weighted) |
| Noise floor | ＜3.7uV (A-weighted) | Line output level | 7.6Vrms (1kHz@10kΩ) |
| Frequency response | 20Hz~95kHz: attenuation＜3dB | Input sensitivity | 4.2Vrms (10kΩ, THD+N＜1%) |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, XLR/4.4mm line input, Ultra high gain mode) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 3.7Vrms (16Ω, THD+N＜1%) |
| L+R≥2850mW+2850mW (32Ω, THD+N＜1%, 9.6Vrms) | 6Vrms (32Ω, THD+N＜1%) | ||
| L+R≥350mW+350mW (300Ω, THD+N＜1%, 10.3Vrms) | 6.3Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0006% (1kHz/4.3dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥121dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥121dB (A-weighted) | Noise floor | ＜8uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜1.1dB | Peak output voltage | 29.4Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, XLR/4.4mm line input, Super high gain mode) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 5.3Vrms (16Ω, THD+N＜1%) |
| L+R≥2850mW+2850mW (32Ω, THD+N＜1%, 9.6Vrms) | 8.6Vrms (32Ω, THD+N＜1%) | ||
| L+R≥350mW+350mW (300Ω, THD+N＜1%, 10.3Vrms) | 8.8Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.00054% (1kHz/9.9dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥121dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥121dB (A-weighted) | Noise floor | ＜8uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜1.1dB | Peak output voltage | 28.5Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, XLR/4.4mm line input, High gain) | |||
| Output power | L+R≥965mW+965mW (16Ω, THD+N＜1%, 3.9Vrms) | Input sensitivity | 11.5Vrms (16Ω, THD+N＜1%) |
| L+R≥530mW+530mW (32Ω, THD+N＜1%, 4.1Vrms) | 11.5Vrms (32Ω, THD+N＜1%) | ||
| L+R≥60mW+60mW (300Ω, THD+N＜1%, 4.3Vrms) | 11.5Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.001% (1kHz/10.8dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥116dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥116dB (A-weighted) | Noise floor | ＜6uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.8dB | Peak output voltage | 11.9Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, XLR/4.4mm line input, Medium gain) | |||
| Output power | L+R≥475mW+475mW (16Ω, THD+N＜1%, 2.8Vrms) | Input sensitivity | 11.4Vrms (16Ω, THD+N＜1%) |
| L+R≥260mW+260mW (32Ω, THD+N＜1%, 2.9Vrms) | 11.4Vrms (32Ω, THD+N＜1%) | ||
| L+R≥30mW+30mW (300Ω, THD+N＜1%, 3Vrms) | 11.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0014% (1kHz/10.8dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥114dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥114dB (A-weighted) | Noise floor | ＜6uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9 dB | Peak output voltage | 8.3Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of headphone output (6.35mm output, XLR/4.4mm line input, Low gain) | |||
| Output power | L+R≥120mW+120mW (16Ω, THD+N＜1%, 1.4Vrms) | Input sensitivity | 11.5Vrms (16Ω, THD+N＜1%) |
| L+R≥65mW+65mW (32Ω, THD+N＜1%, 1.5Vrms) | 11.5Vrms (32Ω, THD+N＜1%) | ||
| L+R≥10mW+10mW (300Ω, THD+N＜1%, 1.5Vrms) | 11.5Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0022% (1kHz/11.8dBV@32Ω) | Output impedance | ＜1Ω (32Ω) |
| SNR | ≥107dB (A-weighted) | Crosstalk | ≥67dB (1kHz@32Ω) |
| Dynamic range | ≥107dB (A-weighted) | Noise floor | ＜6uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9 dB | Peak output voltage | 4.2Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of line/headphone output (RCA output, XLR/4.4mm line input) | |||
| THD+N | PCM: 0.00083% (1kHz/7dBV@10kΩ) | SNR | ≥119dB (A-weighted) |
| Crosstalk | ≥110dB | Dynamic range | ≥119dB (A-weighted) |
| Noise floor | ＜4.1uV (A-weighted) | Line output level | 3.9Vrms (1kHz@10kΩ) |
| Frequency response | 20Hz~95kHz: attenuation＜3 dB | Input sensitivity | 8.4Vrms (10kΩ, THD+N＜1%) |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, XLR/4.4mm line input, Ultra high gain mode) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 2Vrms (16Ω, THD+N＜1%) |
| L+R≥4000mW+4000mW (32Ω, THD+N＜1%, 11.4Vrms) | 3.7Vrms (32Ω, THD+N＜1%) | ||
| L+R≥1360mW+1360mW (300Ω, THD+N＜1%, 20.2Vrms) | 6.2Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0006% (1kHz/2.4dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥120dB (A-weighted) | Crosstalk | ≥117dB (1kHz@32Ω) |
| Dynamic range | ≥120dB (A-weighted) | Noise floor | ＜10uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜1.2dB | Peak output voltage | 57.7Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, XLR/4.4mm line input, Super high gain mode) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 2.8Vrms (16Ω, THD+N＜1%) |
| L+R≥4000mW+4000mW (32Ω, THD+N＜1%, 11.4Vrms) | 5.2Vrms (32Ω, THD+N＜1%) | ||
| L+R≥1360mW+1360mW (300Ω, THD+N＜1%, 20.2Vrms) | 8.7Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0006% (1kHz/4.4dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥119dB (A-weighted) | Crosstalk | ≥116dB (1kHz@32Ω) |
| Dynamic range | ≥119dB (A-weighted) | Noise floor | ＜12uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜1.2dB | Peak output voltage | 57.1Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, XLR/4.4mm line input, High gain) | |||
| Output power | L+R≥2000mW+2000mW (16Ω, THD+N＜1%, 5.7Vrms) | Input sensitivity | 8.8Vrms (16Ω, THD+N＜1%) |
| L+R≥1975mW+1975mW (32Ω, THD+N＜1%, 7.9Vrms) | 11.5Vrms (32Ω, THD+N＜1%) | ||
| L+R≥240mW+240mW (300Ω, THD+N＜1%, 8.5Vrms) | 11.5Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.00074% (1kHz/8.6dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥120dB (A-weighted) | Crosstalk | ≥116dB (1kHz@32Ω) |
| Dynamic range | ≥120dB (A-weighted) | Noise floor | ＜7.4uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.8dB | Peak output voltage | 23.8Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, XLR/4.4mm line input, Medium gain) | |||
| Output power | L+R≥1670mW+1670mW (16Ω, THD+N＜1%, 5.2Vrms) | Input sensitivity | 11.4Vrms (16Ω, THD+N＜1%) |
| L+R≥970mW+970mW (32Ω, THD+N＜1%, 5.6Vrms) | 11.4Vrms (32Ω, THD+N＜1%) | ||
| L+R≥120mW+120mW (300Ω, THD+N＜1%, 6Vrms) | 11.4Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.00096% (1kHz/9.3dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥117dB (A-weighted) | Crosstalk | ≥113dB (1kHz@32Ω) |
| Dynamic range | ≥117dB (A-weighted) | Noise floor | ＜7.3uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9dB | Peak output voltage | 16.7Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced headphone output (XLR4/4.4mm output, XLR/4.4mm line input, Low gain) | |||
| Output power | L+R≥425mW+425mW (16Ω, THD+N＜1%, 2.6Vrms) | Input sensitivity | 11.5Vrms (16Ω, THD+N＜1%) |
| L+R≥250mW+250mW (32Ω, THD+N＜1%, 2.8Vrms) | 11.5Vrms (32Ω, THD+N＜1%) | ||
| L+R≥30mW+30mW (300Ω, THD+N＜1%, 3Vrms) | 11.5Vrms (300Ω, THD+N＜1%) | ||
| THD+N | PCM: 0.0015% (1kHz/10.5dBV@32Ω) | Output impedance | ＜1.5Ω (32Ω) |
| SNR | ≥112dB (A-weighted) | Crosstalk | ≥107dB (1kHz@32Ω) |
| Dynamic range | ≥112dB (A-weighted) | Noise floor | ＜7uV (A-weighted) |
| Frequency response | 20Hz~95kHz: attenuation＜2.9dB | Peak output voltage | 8.4Vp-p |
| 20Hz~20KHz: attenuation＜0.1dB | |||
| Performance and parameters of balanced line/headphone output (XLR3 output, XLR/4.4mm line input) | |||
| THD+N | PCM: 0.00043% (1kHz/4.1dBV@10kΩ) | SNR | ≥128dB (A-weighted) |
| Crosstalk | ≥120dB | Dynamic range | ≥128dB (A-weighted) |
| Noise floor | ＜3.1uV (A-weighted) | Line output level | 7.7Vrms (1kHz@10kΩ) |
| Frequency response | 20Hz~95kHz: attenuation＜3dB | Input sensitivity | 8.4Vrms (10kΩ, THD+N＜1%) |
| 20Hz~20KHz: attenuation＜0.1dB | |||
Specs
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