Pioneer - GM-DX871 - 1-Channel Mono Class D Subwoofer Amplifier, 1600W Max, 800W RMS at 1 Ohm, Variable LPF, Wired Bass Remote - Black
Customers are saying
Customers highly value the impressive sound quality and significant power output provided by this amplifier. Users frequently highlight its compact size and ease of installation, noting that it offers excellent performance for the price. While the device is generally well-regarded for its bass capabilities, some users have reported concerns regarding overheating during extended use.
Features
Turn Up the Bass
This amplifier features a wired bass control remote for optimal bass level adjustment according to your listening preferences and the characteristics of the music.
Big Power-Small Size
Pioneer’s extra-efficient Class-D amplifiers mark a dramatic improvement in power output capability, yet are 50% smaller than a typical Class AB amplifiers. That makes them more versatile in terms of installation as well as performance.
Packs a Punch
This mono amplifier is rated at a total of 1600 watts (max power) with high-current circuitry that provides all the power you need, delivering 300 watts RMS at 4 ohms, 500 watts RMS at 2 ohms, and up to 800 watts RMS at 1 ohm.
Auto Signal sensing and Turn-On
When used with an audio source such as an OEM source or a receiver without RCA output, the amplifier will activate as soon as an audio source is detected through the speaker level outputs.
High-Quality Affordable Design
Pioneer designed a high-quality power supply to sustain constant power requirements.
Gold Plated Terminals
These terminals maintain an accurate signal with increased electrical conductivity, prevent corrosion, and offer enhanced durability with excellent resistance to wear.
Pioneer’s TVC (Total Vibration Control)
Pioneer's TVC (Total Vibration Control) concept used in this amplifier not only increases the rigidity of the unit but also counteracts vibrations that affect sound quality at various points.
Protection Control System (PCS)
Pioneer’s PCS continuously monitors the input voltage, current consumption, and operating temperature to automatically adjust the amplifier’s output, ensuring operational stability during long listening sessions or when installed in high-temperature environments.
Independent Variable Filters
The amplifier features a variable low-pass filter (LPF) ranging from 10 Hz to 240 Hz, allowing precise adjustment of the audio bandwidth to optimize the acoustic performance of your subwoofer.
Specifications
- Continuous Watts x Channel @ Ohms300 W RMS x 1-Channel - 4 OhmAmplifier ClassDNumber Of Channels2Bass BoostVariableBridgeableNo
Reviews
Rating 4.5 out of 5 stars with 282 reviews
- Sound Quality (84)
- Power (77)
- Size (19)
- Ease of use (15)
- Price (14)
- Heat (11)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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The GM-DX871 is a 1-channel subwoofer amplifier that can deliver up to 800 watts RMS to your subwoofer, providing powerful bass with a strong and heavy beat. CTA-2006 compliant, this highly efficient Class D amplifier offers impressive, high-quality power in a compact chassis. The speaker-level inputs allow you to install this amp in a factory system without RCA connections. The built-in low-pass filter lets you optimize the sound for your vehicle's interior. Additionally, a wired bass control remote enables you to easily adjust the amount of bass from the subwoofer output. The GM-DX871 amplifier uses high-current, high-grade electronic components and gold-plated RCA connections to ensure maximum performance.

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The link500.1mini amplifier was engineered from the ground up to be the best possible option for adding bass to any system. The speaker level input can handle up to 40V and features our adaptive loading technology, while the RCA input accepts up to 10V, making it the perfect solution for both factory and aftermarket head units. The link500.1mini produces 500 watts RMS @ 2ohms, and its incredibly small size means it will fit almost anywhere. The link500.1mini utilizes Wāvtech’s proprietary bassFREQ preamp. It features a 24dB per octave crossover, adjustable parametric EQ and a subsonic filter, providing the fine tuning required to get the best out of any subwoofer. Like all Wāvtech amplifiers, the link500.1mini is compatible with start/stop systems. The optional linkRC remote provides for even more system control. link500.1mini Features 500 Watt Mono Amplifier 300 watts x 1 @ 4 ohms 500 watts x 1 @ 2 ohms Small Footprint Only 9.05”x4.5”x1.65” Fully Adjustable Parametric EQ Variable Low-Pass Crossover (-24dB/oct) Variable Subsonic Filter (-24dB/oct) Remote Level Control (RLC) w/Optional linkRC Start/Stop System Compatible Differential Balanced Inputs Variable Gain Adjustment w/Clip LED Auto Turn-On via DC-Offset or Audio Signal Detect Adaptive OEM Load Technology Locking Detachable Hi-Level Speaker Terminals Professional Grade Panel Mount RCA’s Compact Aluminum Chassis w/Detachable Mounting tabs link500.1mini Specifications Input Sensitivity SPK: 1-20Vrms, 2-40Vrms RCA: 0.2V-5Vrms, 0.4V-10Vrms Max Input Voltage (SPK): 40Vrms Frequency Response: 500Hz (=0/-3dB) THD+N: 78dBA (1W, 4Ω)

Boost the bass in your car with this KICKER 1200W mono amplifier. Stability at 1 ohm allows for use of multiple sound system wiring options, while a subsonic filter at 24dB protects speakers from dangerous frequencies. This KICKER 1200W mono amplifier features 12dB crossovers to control sound precisely and comes with vertical mounting hardware for unique configurations.
| Pros for Pioneer - GM-DX871 - 1-Channel Mono Class D Subwoofer Amplifier, 1600W Max, 800W RMS at 1 Ohm, Variable LPF, Wired Bass Remote - Black | |||
|---|---|---|---|
| Sound Quality, Power, Size, Ease of use, Price | Power, Size, Overall Performance, Installation Ease, Connectivity | There were no pros for this product— | Power, Sound Quality, Size, Ease of use, Bass |
| Cons for Pioneer - GM-DX871 - 1-Channel Mono Class D Subwoofer Amplifier, 1600W Max, 800W RMS at 1 Ohm, Variable LPF, Wired Bass Remote - Black | |||
| Heat | Noise Level, Heat Dissipation | There were no cons for this product— | There were no cons for this product— |








































































