ACS-4090是一款AB类四声道功放，具有紧凑的设计以便适应狭窄的安装环境，同时具有最高效率的设计，可在足够小的占地面积内产生完美的低失真高保真音频！作为价值和性能的完美结合，是你的不二之选！
4-Channel 480 Watt High Efficiency Class A/B Design
2-ohm Stable (4-ohm in Bridged Mode)
PWM MOSFET Power Supply
High Level (Speaker)/Low Level (RCA) Input
Remote Soft Delay Turn On/Off Circuit
Variable High/Low Pass Electronic Crossover
Selectable 12dB Bass Boost EQ
Variable Gain Control
Protection Circuit: Impedance Over-load, Speaker Short, Circuit, Thermal Overheating, and DC Output.
Selectable Subwoofer EQ: N/A
Variable Subsonic Freq: N/A
Inputs: RCA, 2 Pairs Input, 2 Pair Speaker Level Input
Equalization Boost/Cut: N/A
Power Supply: Unregulated PWM
Height: 2.0"
Width: 7.1"
Depth: 12.8"
Switchable Subwoofer EQ: N/A
4-ohm Mono Power: 180 watts x 2
4-ohm Power: 45 watts x 4
1-ohm Mono Power: N/A
2-ohm Power: 90 watts x 4
Subwoofer EQ Frequency: N/A
Variable Subwoofer EQ: N/A
Low-Pass Crossover Freq: Variable 30 Hz - 250 Hz
High-Pass Crossover Freq: Variable 50 Hz - 1 kHz
Peak Power: 720 watts
Crossover Slope: 12 dB
Dimensions (in Inches): 12.8" x 7.1" x 2.0"
Input Sensitivity: 0.25 V - 6.0 V
S/N Ratio: >100 dB
Total Harmonic Distortion: 0.3% @ Rated Power
Strapped Output Power @ 2ohms: N/A
Output Power (14.4 V) @ 4 ohm: 45 watts x 4
Output Power (14.4 V) @ 2 ohm: 90 watts x 4
Output Power (14.4 V) @ 1 ohm: N/A
Channels (mono): 4
Frequency Response: 10 Hz - 50 kHz