产品规格：
M2 Direct Digital Amplifier Features
Direct Digital Amplifier
2 X 250W Continuous Power at 8 and 4 Ohms
>500W IHF Dynamic Power
<0.004% THD 20Hz – 20kHz from 500mW to 250W
>120dB Dynamic Range
40uV Residual Noise
>2000 Damping Factor at 50Hz +0/-0.5dB Frequency Response 20Hz – 20kHz, -3dB >85kHz
Channel Separation >90dB @ 1kHz, 80dB @ 10kHz
Digital PowerDrive
Digital Soft Clipping (switchable)
5 Position Digital Impedance Compensation Filter
Analogue-to-Digital Conversion
A/D Conversion for Analogue Inputs
Multi-bit Delta/Sigma 24/216kHz
0.0004% THD
Sample rate 32kHz - 192kHz
124dB S/N Ratio
High Resolution 120dB Digital Attenuator
Ins and Outs
Inputs Digital SPDIF: AES/EBU, Coaxial X 2, Optical X 2
Inputs Analogue: Balanced, Single Ended
Processor Loop: SPDIF Optical (Mac PC compatible) out/in
2 Sets of Speaker Binding Posts to facilitate Bi-wiring
Remote Control
Control Options
RS-232 serial data port
IR Input
12V Trigger Input and Output
<1W Standby Consumption
90% Amplifier Efficiency
Line Level Inputs (CD, Video, Tuner, Tape1, Tape2, Aux)
Input impedance (R and C) 36 kΩ//200 pF
Input sensitivity ref. 0.5V 296 mV (ref.100W) 418 mV (ref. rated power)
Power Amp
Continuous average power output into 8ohms ≥200W
Rated distortion (THD 20Hz-20kHz) <0.01% (ref. 100mW - rated power)
Clipping power (max cont. power/channel) >250W (ref. 1 kHz, 8Ω, 0.1% THD)
IHF dynamic power 8 ohms 300W
 4 ohms ≥450W
 2 ohms ≥600W
Damping factor >2000 (ref. 20Hz - 200Hz)
Frequency response 20Hz-20kHz ±0.3dB (ref. 10 Hz - FS/2; FS = 32 kHz, 96 kHz, 192 kHz)
Signal to noise ratio, A-weighted ref. 1W >95dB (A-weighted, ref. 1W)
 ref. rated power >118dB (A-weighted, ref. 200W)
Physical Specification
Dimensions (W×H×D) Imperial 17 1/8 x 5 1/4 x 17 7/8
 Metric 435 x 133 x 454 mm
Gross Dimensions (W×H×D) Imperial 17 1/8 x 5 1/4 x 17 3/4
 Metric 435 x 148 x 502 mm
Net Weight Imperial 44.5
 Metric 20.2 kg
Shipping Weight Imperial 56.88
 Metric 25.8 kg