Refurbished Audio Apex CAB-M4 4 Channel Car Amplifier 1000 Watts RMS

Car Audio Bargain (CAB)
(You save $150.00 )
(1 review)
11.00 LBS
25.00 (in)
5.00 (in)
13.00 (in)
Current Stock:

REFURBISHED Audio Apex CAB-M4 Amplifier

This amplifier is in good cosmetic condition but may show signs of use or light scratches.

This amplifier has been mechanically refurbished and stress tested, and it performs flawlessly.

Refurbished CAB-M4 will only come with a 30 Day warranty



Audio Apex CAB-M4 Amplifier


CAB-M4 Amplifier 

The CAB-M4 is one of the best  bang for the buck 4 Channel amplifiers available on the market today. The amplifiers are a class A/B amplifier that deliver 150 watts a channel @ 4 ohm, and over 250 watts a channel @ 2ohm for over 1,000 watts total across 4 channels! The amplifier is also bridgeable for 500 watts x 2 @ 4ohms for those wanting to run 1 or more subwoofers. 

4ga Power and Ground inputs 

Operational Voltage: 9.0v -16.0v

Power: 250 Watts RMS X 4 @ 2 ohm at 14.4v

Power: 150 Watts RMS  X 4 @ 4 ohm at 14.4v

Power: 500 Watts RMS X 2 @ 4 ohms(Bridged) at 14.4v

Frequency Response: 20-20,000 Hz 

Signal Noise Ratio: 85dB

Input Sensitivity: 22,000 Ohms

Input Sensitivity: 100MV-6V

T.H.D. : <0.05%

Bass Frequency: 30Hz-80Hz

Low Pass Frequency: 40Hz-4,000Hz

High Pass Frequency: 50Hz-8,000Hz

Bass Boost: 0-12dB


Length: 17.5"

Width: 9"

Height: 2.25"

Our Refurbished CAB-M4 has a 30 day warranty. Once it is outside of this warranty, we can no longer help. This warranty is good for manufacture defects.


  • 5
    Cab m4

    Posted by Tra on 9th Sep 2022

    Great amp