Powerbass ACS-4120 - 4 Channel Compact Amplifier
SKU: 26367237672

Powerbass ACS-4120 - 4 Channel Compact Amplifier

Sale price$146.70 Regular price$163.00
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Description

Powerbass ACS-4120 - 4 Channel Compact AmplifierPowerBass is pleased to introduce our newest 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

PowerBass is pleased to introduce our newest 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.
  • Inputs: RCA, 2 Pairs Input, 2 Pair Speaker Level Input
  • Power Supply: Unregulated PWM
  • Height: 2.0"
  • Width: 7.1"
  • Depth: 14.8"
  • 4-ohm Mono Power: 240 watts x 2
  • 4-ohm Power: 60 watts x 4
  • 2-ohm Power: 120 watts x 4
  • Low-Pass Crossover Freq: Variable 30 Hz - 250 Hz
  • High-Pass Crossover Freq: Variable 50 Hz - 1 kHz
  • Peak Power: 960 watts
  • Crossover Slope: 12 dB
  • Dimensions (in Inches): 14.8" 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
  • Output Power (14.4 V) @ 4 ohm: 60 watts x 4
  • Output Power (14.4 V) @ 2 ohm: 120 watts x 4
  • Channels (mono): 4
  • Frequency Response: 10 Hz - 50 kHz
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 26367237672

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Desirae
San Leandro, US
★★★★★ 4
Small but cute
Color: A1 - Pink 1 Pack
smaller than I thought but perfect for travel. Seems durable
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Reviewed in the United States on March 7, 2026
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Amanda Gross
Houston, US
★★★★★ 5
Adorable, functional, and great for travel
Color: A1 - Pink 1 Pack
Adorable, good quality, small but fits enough for travel. I’ve had no problems with the zipper or any of the inside functions. I like that you can remove one of the pieces to fit something larger in it.
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Reviewed in the United States on March 18, 2026
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Samantha Emanuel
Carnegie, US
★★★★★ 5
Perfect size and quality
Color: Velvet 1 Pack - Navy Blue, Color: Velvet 1 Pack - Navy Blue
This was a gift for my teen daughter she’s collecting jewelry now and this was perfect for her. This is also great for traveling! It holds lots of little pieces and feels soft. This is a great gift idea. Months later and it’s still in great condition. Easy to use and take along anywhere.
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Reviewed in the United States on April 14, 2026
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Jarrod Shupe
Draper, US
★★★★★ 5
Great value for the $
Color: A1 - Pink 1 Pack
My wife loves it for home and travel! We built, easy to open, sturdy, and fits her jewelry when needed.
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Reviewed in the United States on May 12, 2026
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Brenda Marrero
Houston, US
★★★★★ 5
Pretty and perfect size
Color: A1 - Pink 1 Pack
Love this box is very pretty, perfect to have my everyday jewelry and perfect for travel.
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Reviewed in the United States on May 15, 2026

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