The Pioneer GM-DX874 four-channel amplifier will deliver up to 150 watts RMS to each of your front and rear speakers for powerful music. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a compact chassis that fits in a lot of out of the way spaces. The frequency response of this amplifier stretches up to 50,000 Hz, for Hi-Res Audio Certified playback. Pioneer uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance. Speaker-level inputs allow you to install this amp in a factory system with no RCA connections. The amplifier switches its input mode automatically when it detects the high-level signal, eliminating the need to run a turn-on lead to your receiver or fuse box. Built-in high- and low-pass filters let you adjust the sound for your vehicle's interior, whether you're driving speakers or subs.

The KENWOOD KAC-835 is a 1600 watts high-performance 5-Channel Amplifier designed to deliver powerful, clear, and dynamic sound. Engineered for audio enthusiasts who seek both precision and versatility in their car audio systems. The KAC-835 provides the perfect blend of power, flexibility, and ease of installation. The 5-channel design allows the KAC-835 to power both front and rear speakers as well as a dedicated subwoofer channel, offering a complete audio solution in a single unit. Despite its powerful performance, the KENWOOD KAC-835 is designed to be compact and easy to install. The KAC-835 amplifier fits into tight spaces, making it ideal for vehicles where space is at a premium. The KENWOOD KAC-835 is equipped with both high-pass and low-pass filters. The high-pass filter is adjustable and allows users to set the crossover frequency for the full-range speakers, ensuring that only the appropriate frequencies are sent to the speakers, preventing distortion, and maximizing clarity. The low-pass filter, dedicated to the subwoofer channel, ensures that the subwoofer receives only the low-end frequencies, delivering tight, punchy bass. For those who crave deep, powerful bass, the KAC-835 features a variable bass boost function that allows you to adjust the low-frequency output to your preference.

The GM-DX871 mono subwoofer amplifier can deliver up to 800 watts RMS to your subwoofer, for powerful bass that will give every song a strong and heavy beat. Highly efficient Class D technology keeps this powerful amp running as cool as it looks, and allows for a small chassis that fits in a lot of out of the way spaces.