Kicker KickPak Classic Amplifier: Pump up the bass with this amplifier, which offers KickEQ selectable bass boost for pounding low-frequency tones that suit your listening style. The included mounting hardware enables simple compatibility with most vehicles thanks to Direct-Connect engineering and twisted-pair technology.

Kicker - KickPak Classic Class AB Bridgeable 2-Channel MOSFET Amplifier with Selectable Bass Boost - Black

$79.99

Add 500W of power to an existing mobile sound system with this Pioneer GM series amplifier. Its compact size fits in tight car spaces, so you can easily install it in most vehicles. This Pioneer GM series amplifier recognizes input signals from the receiver and powers itself automatically when the receiver comes on, saving time and effort.

Pioneer - GM 500W Class AB Bridgeable 2-Channel Amplifier with Low-Pass Crossover - Red/Black

$79.99

MB Quart Class D Amplifier: Take on the back roads in your off-road vehicle with your favorite power anthem when you install this durable power sports amplifier, which resists water damage and features corrosion-resistant connectors. Utilize 2-channel or bridged mono operation for flexibility.

MB Quart - 400W Class D Bridgeable 2-Channel Amplifier - Black

$149.99

Customize the sound of your vehicle's aftermarket stereo system with this Hifonics HFXR 2- or 4-channel electronic crossover that features level adjustments for front, rear and sub channels. A remote enables 1dB to 12dB of bass boost for robust lows.

Hifonics - 2- or 4-Channel Electronic Crossover for Select Aftermarket Vehicle Stereo Systems - Black

$67.99