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Compact silver rectangular car amplifier with rounded corners and mounting tabs

PowerBass

PowerBass PBM6004 4 Channel Class D Mini Amplifier

SKU CH-37KX-SKZ62

Four-channel Class D mini amplifier delivers 600 W of full-range power with ultra-low current draw and conformal-coated circuitry for weather-resistant installations

  • Product typeAmplifiers
  • 600 W Class D output delivers high power in a compact chassis
  • 2-ohm stereo stability lets you run lower-impedance speakers safely
  • Ultra-low current draw preserves vehicle battery life
  • Conformal-coated circuit board resists moisture, dust and extreme temperatures
  • Selectable HPF, LPF and off crossover modes tailor frequency response to your system

Compact 600 W Class D amplifier

The PowerBass PBM6004 is a four-channel Class D mini amplifier rated at 600 W. Its ultra-small chassis and conformal-coated circuit board make it suitable for motorcycles, golf carts, off-road vehicles and any installation where space is limited but clean, high-output power is required.

Suited for tight, exposed installs

This unit suits builders who need a weather-resistant amplifier that fits in confined areas such as fairings, storage compartments or under seats. It is not for systems that require more than four channels, higher total power than 600 W, or amplifiers without the moisture and dust protection provided by the conformal coating.

2-ohm stereo stability

The amplifier remains stable driving 2-ohm stereo loads, allowing direct connection to lower-impedance speakers without additional wiring complexity. This specification determines whether the amp can safely power the intended speaker configuration in a compact build.

How it compares

Measured against everything we stock in Car Audio Amplifiers, at today’s prices. Recalculated every night.

Price $132.99
Cheaper than about 70% of the 158 comparable items (median $225.49).

Specifications

Product
Brand namePowerBass
Product typeAmplifiers

Questions about this item

How do I install the PowerBass PBM6004 and what wiring mistake should I avoid?

Mount the amplifier in a ventilated spot, connect power, ground, remote turn-on, speaker wires and RCA inputs, then set the selectable crossover to HPF, LPF or OFF for each channel; the step often missed is matching the crossover setting to the speakers you are driving.

What maintenance or replacement will the PowerBass PBM6004 need over time?

The conformal coated circuit board resists moisture and dust, so routine upkeep is limited to checking that power and ground connections stay tight and corrosion-free; no user-serviceable parts inside require scheduled replacement.

What limit appears first when the PowerBass PBM6004 runs hard for long periods?

Thermal protection will engage before any other limit, muting output until the heatsink cools; the 2-ohm stereo stable design and ultra-low current draw delay this point, but sustained full-power operation will eventually trigger it.

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