Audison SR 4.500 Amplifier | 880 W total power | 4 x 220 W @ 2ohm | D-class

• Elegant and functional design with rounded corners to minimize space, facilitating installation.
• Built-in USS (Universal Speakers Simulator).
• Full built-in crossover section.
• Optional VCR-S1 remote control offers the possibility to adjust the subwoofer level (-20 / + 6 dB) to your musical preference.
• Balanced high-level inputs for connecting to the OEM head unit speaker output
• Low-level RCA for after-market speakers.
• ART (Automatic Remote On/Off) function.
• Remote IN / OUT socket to allow control of multiple amplifiers.
• PRE-OUT allows for system expansion.

AMPLIFIER TECH DATA
Channels    4
Class    D-Class
Hi Level Input    Yes
Low Level Input    Yes
Digital Input    No
Power supply voltage / fuse    11 ÷ 15 VDC / 2 x 25A
Operating power supply voltage    6.5 ÷17 VDC
Idling current    1.7 A
Idling current when off    0.09 mA
Consumption @ 14.4 VDC, 2Ω, Max Musical Power    40 A
Remote OUT    6.5 ÷ 15 VDC (150 mA)
Remote IN    6.5 ÷ 15 VDC (1 mA)
ART - Automatic Remote Turn on/off from OUTPUT BTL speakers (Selectable)    1.5 ÷ 7 VDC

AMPLIFIER STAGE
Distortion - THD @ 100 Hz, 4Ω, 70% Rated Power    0.08 %
Bandwidth A    10 Hz ÷ 35 kHz
S/N ratio A    105 dBA
Damping factor A    200
Input sensitivity Pre-In    0.2 ÷ 5 VRMS
Input sensitivity Speaker-In    0.8 ÷ 20 VRMS
Total Power RMS    880 W
Minimum load impedance    @4Ch: 2Ω
@ 3Ch: 2Ω + 2Ω + 4Ω
@ 2Ch: 4Ω
Output Power (RMS) @14.4 VDC, 1% THD    4Ch 130 W x 4 (4Ω)

4Ch 220 W x 4 (2Ω)

3Ch 120 W x 2 (4Ω) + 480 W x 1 (4Ω)

3Ch 220 W x 2 (2Ω) + 440 W x 1 (4Ω)

2Ch 450 W x 2 (4Ω)
Adjustable Crossover    Yes