
Customers are satisfied with the sound quality and power of the 4-Channel Class D Amplifier. Users also found the installation process to be easy. Some customers noted that the amplifier can get a little warm.
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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 Pioneer GM-DX975 5-Channel Class D Amplifier can power your entire car audio system, sending up to 100 watts RMS to each of your front and rear speakers while delivering up to 600 watts RMS to your sub. CTA-2006 compliant, this highly efficient Class D technology keeps this powerful amp running and will fit in a lot of out of the way spaces. The frequency response of the full-range channels stretches up to 50 kHz to support crystal clear Hi-Res Audio certified playback. The GM-DX975 uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance. Put your GM-DX975 into 3-channel mode to create a strong front soundstage with bass by outputting up to 200 watts RMS each to a set of high-performance components up front, plus up to 600 watts RMS to your sub. The 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, and a wired remote boost that lets you control the amount of bass boost from the front seat.

Boost the sound of vehicle door speakers with this KICKER four-channel amplifier. The variable bass boost lets you easily tune the system as desired, and Fail-safe Integration Technology-PLUS provides clear sounds with its noise rejection. This KICKER four-channel amplifier features high-efficiency heat sinks, preventing overheating during long periods of use.

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.
| Pros for Pioneer - 4-Channel Class D Amplifier - Black | |||
|---|---|---|---|
| Sound Quality, Power, Size, Installation Ease | There were no pros for this product— | Sound Quality, Power, Ease of use, Size, Price | Power, Sound Quality, Size, Ease of use, Price |
| Cons for Pioneer - 4-Channel Class D Amplifier - Black | |||
| Heat Dissipation | There were no cons for this product— | Heat | Heat |