Audison Forza AF M4D - 4-channel amplifier
 
Audiophile compact high-power class-D amplifier. Four channels of high-quality amplification producing 160 X 4 at 4 ohms or 260 X 4 at 2 ohms in superb quality. Fully bridgeable and the perfect companion to a Forza DSP-equipped amplifier or for use with a standalone DSP.
 
Nominal power supply voltage / fuse: 11 - 15 VDC / 2 x 30A
Pulse operating voltage: 6.5 - 17.5 VDC
Idling current: 1.12 A
Standby current draw: 0.007 mA
Consumption @ 14.4 VDC, Minimum load impedance (Max Musical Power): 47 A
Remote IN: 4 -15 VDC (1 mA)
Remote OUT: 6.5 -15 VDC (150 mA)
ART – Automatic Remote Turn on/off from Speaker-In: 1.5 VDC
Efficiency @ rated power (RMS) @14.4 VDC, 1% THD,4Ω, All Channels: 83%

Distortion – THD+N @ 1 KHz, 4Ω, 70% Rated Power: 0.05%
Damping factor @ 1 kHz , 4Ω, 2 VRMS: 160
Bandwidth @ -3 dB: 10 Hz - 42 kHz
S/N ratio (A weighted @ 1 V Input, Rated Power) Master Input: 103 dBA

Minimum load impedance: 4 Ch: 2Ω
2 Ch – (Bridge 1/2; 3/4): 4Ω
Output Continuous Power (RMS) @14.4 VDC, 1% THD:
• 4Ch @ 4Ω: 160 W x 4
• 4Ch @ 2Ω: 260 W x 4
• 2Ch (Bridge 1/2; 3/4) @ 4Ω: 520 W x 2

CEA SPECIFICATIONS
Output power @ 4Ω, 1% THD+N, 14.4 V: 150 W x 4
SN ratio (ref. 1 W output): 80 dB

Inputs
Pre-In / Speaker-In
Input sensitivity Pre-In
0.6 - 6 VRMS
Input sensitivity Speaker-In
2.2 - 22 VRMS

SUB remote Volume Control (optional) (-20 - 6) dB 
0 °C to 55 °C (32 °F to 131 °F)

Max size W x H x D (mm/inch): 240 x 47 x 156 / 9.44 x 1.85 x 6.14
Weight (kg/lb): 2.04 / 4.49