PowerBass ACS-4090-90 Watt x 4 @ 2-Ohm Amplifier

★★★★★ 5.0 116 reviews

US$50.00
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Management number 209179502 Release Date 2026/03/29 List Price US$50.00 Model Number 209179502
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PowerBass ACS-4090 4ch Compact Amplifier PowerBass is pleased to introduce our newest addition to our series of Class A/B full range and Class D bass amplifiers. Borrowing from our classic ASA series, these new amplifiers offer the most desired features in the most compact chassis allowable. To accomplish this we selected SMD parts and engineered a brand new 6 oz/kg high density heat sink engineered for maximum efficiency and cooling. The result a line-up of two, four and mono channel models that offer great performance and fantastic value. Ultra efficient, the ACS amplifiers produce plenty of low distortion high fidelity audio in a footprint small enough to fit nicely in nearly any vehicle. If you are seeking the perfect mix of performance and value look no further. Features - 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. Specifications - Inputs: RCA, 2 Pairs Input, 2 Pair Speaker Level Input Power Supply: Unregulated PWM 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-Channel 360 Watt High Efficiency Class A/B Design
  • Borrowing from PowerBass's classic ASA series, these new amplifiers offer the most desired features in the most compact chassis allowable.
  • Ultra efficient, the ACS amplifiers produce plenty of low distortion high fidelity audio in a small footprint.
  • If you are seeking the perfect mix of performance and value look no further.
UPC 823871007493
Model ACS-4090
Voltage 14.4 Volts
Brand Name PowerBass
Item Width 7.1 Inches
Unit Count 1.0 Count
Item Weight 6 Pounds
Manufacturer PowerBass
Output Power 360 Watts
Mounting Type Enclosure Mount
Specification Met CE, FCC, RoHS, WEEE
Number of Channels 4
Included Components ACS-4090
Warranty Description 1-Year Manufacturer Warranty
Minimum Supply Voltage 0.25 Volts

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