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American Bass SQ375

600W 4-Channel Class AB SQ Series Car Amplifier

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• RMS: 50W x 4 @ 4 ohm,90W x 4 @ 2 ohm, Bridged 125W x 2 @ 4 ohm
• Total Peak Power: 600W
• Soft start turn-on
• 4/2 Channel Operation
• Heavy duty aluminum alloy heat-sink
• 9.6" W x 9.4" L x 2.2" H

Learn more about the sq375

We apologize

This item has been discontinued


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Product Highlights


• RMS: 50W x 4 @ 4 ohm,90W x 4 @ 2 ohm, Bridged 125W x 2 @ 4 ohm
• Total Peak Power: 600W
• Soft start turn-on
• 4/2 Channel Operation
• Heavy duty aluminum alloy heat-sink
• 9.6" W x 9.4" L x 2.2" H

Description


American Bass brand icon

Authorized dealer

General Features:

  • SQ Series 4-Channel Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 50 watts x 4 chan.
    • 2 ohm: 90 watts x 4 chan.
    • Bridged, 4 ohm: 125 watts x 2 chan.
  • Max power output: 600 watts x 2 chan.
  • Soft start turn-on
  • 4/2 channel operation
  • S/N Ratio >100dB
  • THD 0.02%
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Channel Seperation >55dB
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • 4 gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 9.6"W x 9.4"L x 2.2"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
50 watts x 4 channel
RMS Power @ 2 ohms
90 watts x 4 channel
Bridged RMS Power
125 watts x 2 channel
Amplifier Specifications
Series
SQ Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
600 watts
Total RMS Power Output
125 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.02%
Speaker Level Inputs
No
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Signal-to-Noise Ratio
100 dB
Strappable
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SQ375

Weight:

7.80lbs

Internal SKU:

sq375

Internal Product ID:

90814

Product and How-to Videos


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.