Pioneer GM-D1004 GM Series 4-Channel 45W RMS x 4 at 2-Ohms, Class FD Car Amplifier
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What's Inside?
- • 4-Channel amplifier
- •(1) 15 amp mini blade fuse (installed)
- • 8" Line-level input harness x 4
- • 39" Speaker-level input harness
- • 39" Power/Output harness
- •(2) Mounting brackets
- •(2) 3/4" Self-tapping screws
- • Warranty Information
- • Owner's Manual
Why Choose Pioneer GM-D1004 4-Channel Amplifier?
Compact Design
The Pioneer GM-D1004 is a compact and versatile amplifier that delivers powerful sound and easy installation. Designed for use in car audio systems, the GM-D1004 is a must-have for anyone looking to enhance their listening experience on the road. The GM-D1004 features a Class FD topology and can deliver up to 400 watts of maximum power. The amplifier is equipped with Pioneer's patented A/B channel architecture, which ensures high-fidelity sound reproduction and efficient power handling. Additionally, the GM-D1004 features a compact design that makes it easy to install in any car audio system.
Flexible Connectivity
One of the key advantages of the GM-D1004 is its versatility. The amplifier features a 4-channel configuration that allows for easy customization of the sound output. The amplifier is also bridgeable, allowing for the creation of a more powerful and efficient sound system.
Features a Variable High-pass Crossover
Additionally, the GM-D1004 features a variable high-pass crossover and a bass boost circuit, allowing for easy customization of the sound output. The GM-D1004 is also easy to install. The GM-D1004 features a compact design that makes it easy to fit in tight spaces.
Excellent Choice
The Pioneer GM-D1004 is an excellent choice for anyone looking to enhance their car audio system with a powerful and versatile amplifier. With its compact design, easy installation, and high-fidelity sound reproduction, the GM-D1004 is sure to impress even the most discerning audiophile.
Frequently Asked Questions (FAQ)
- • Why does the amplifier keep going into protection mode?
Protection mode is commonly triggered by a shorted speaker wire, incorrect impedance, or overheating. Inspect all wiring connections and ensure the connected speakers meet the amplifier's specifications.
- • Can I install this behind my dashboard?
Yes. Its compact size makes it suitable for installation behind many dashboards, under seats, or in other tight spaces with adequate ventilation.
- • Why is there no sound even though the power light is on?
An incorrect input connection, loose speaker wiring, or head unit settings may prevent audio output. Verify all signal and speaker connections before assuming the amplifier is faulty.
- • Can I power aftermarket door speakers with this amplifier?
Yes. It is designed to provide clean power for aftermarket full-range speakers in a wide variety of vehicle audio systems.
- • Why does the audio become distorted at higher volume levels?
Distortion is usually caused by excessive gain settings or clipping from the source unit. Proper gain adjustment helps maintain clean sound while protecting your speakers.
- • Can I bridge channels to power a subwoofer?
Only if the amplifier's specifications support bridged operation. Always follow the recommended wiring diagram and minimum impedance requirements.
- • Why does it become hot during long listening sessions?
Some heat is normal during operation, especially at higher output levels. Ensure there is adequate airflow around the amplifier and avoid blocking its cooling surfaces.
- • Why do I hear engine whine through my speakers?
Engine noise is often caused by poor grounding or improperly routed RCA cables. Separating signal cables from power wires and improving the ground connection usually resolves the issue.
- • Can this work with a factory radio?
Yes. It is compatible with many factory head units when installed using the appropriate speaker-level inputs or integration accessories if required.
- • Why does the amplifier turn off when the bass gets loud?
This may indicate low battery voltage, overheating, or an overloaded speaker configuration. Check the vehicle's electrical system, wiring, and speaker impedance to identify the cause.
- Maximum Power : 400 Watts
- Number of Channels : 4
- Frequency Response : 10-40000 Hz
- Amplifier Class : D
- Fuse Rating : 15 A
Features:
- Compact Design: Whether you call it “compact” or “micro” the GM-D1004 will wear the name proudly. With the size equivalent to slightly smaller than a standard red brick, you’ll have no problem finding a place to mount it or conceal it behind our short chassis Digital Media Receivers stereos, glove box or even in the center console.
- Small But Powerful: It may be small but don’t let the size fool you. This Receiver is capable of delivering up to 400 Watts of maximum output and is more than comfortable providing 45 Watts of power per channel, that’s more than enough juice to improve the performance of your factory or aftermarket speakers.
- Variety of Installs: Today more and more music lovers are taking their music off-road and finding ways to enjoy their music recreationally. With this amplifier you can add great sound to your motorcycle, ATV, or boat where a conventional size amplifier may not fit.
- Flexible Connectivity: For DIYers, this amplifier is not only small and powerful but it’s easy to install. Simply connect power and ground at the radio and get more installation flexibility using hi-level or low-level inputs with a signal sensing remote turn on so you can use it in combination with a factory or aftermarket headunit.
Specifications:
- 400 Watts Max Power
- Variable High Pass and Low-Pass Filters
- Refined Class FD Design Offers Extreme Efficiency and High-Quality Sound
- CEA-2006 Compliant: Yes
- Allowable Load Impedance: 2 ohm to 8 ohm allowable
- Avg Current Consumption (amps x #ch): 1.7 A x 4-Channel - 4 Ohm / 1.7 A x 2-Channel - 2 Ohm / 1.7 A x 4-Channel - 2 Ohm
- Bass Boost: 75 dB
- Continuous-Power-Output: 45 W x 4-Channel - 4 Ohm / 45 W x 4-Channel - 2 Ohm / 90 W x 2-Channel - 4 Ohm Bridged
- Crossover Network Channel: LPF - A/B Ch 80 Hz / HPF - A/B Ch 80 Hz
- Crossover Network Channel Slope: -12db/oct (A/B Ch)
- Crossover Network Subwoofer Channel: 80 Hz
- Crossover Network Subwoofer Slope: -12 dB/octave
- Frequency Response – Subwoofer Channel: 10 Hz to 40 kHz
- Frequency Response Channel: 10Hz to 40kHz (+0dB,-3dB) A/B Ch
- Fuse Rating: 15 A
- Maximum Power Output: 100 W x 4-Channel (4 Ohm) / 100 W x 4-Channel (2 Ohm) / 200 W x 2-Channel (4 Ohm Bridged)
- RCA Input: 4-Channel
- Signal to Noise: 74 dBA (Reference: 1 W into 4 ohm)
- Speaker Line input Sensor: Yes
- THD - Subwoofer: < 0.05% (1 kHz)
- THD-A/B/C Channel: < 0.05% (1 kHz) A/B Ch
- Bridgable: Yes
- Class: FD
- Grounding System: Negative
- Power Source: 14.4V (10.8 V to 15.1 V allowable)
- Protection Control system: Yes
- Terminal Type: Removable
- UPC: 884938265652
- Weight: 27
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
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Write a review!
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Pioneer amps are really the best! I've been buying Pioneer products for a long time, and just got this one recently installed in my car. What a difference it makes compared to my car's factory amp. It was also very easy to install.
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impressive amp. got this on an excellent deal. made my sound system sound better. i think i might stick with this amp for a long time
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Purchased this little amp to pair with my two Kicker 5.25s. Mids and lows are better, and the highs ain't too shabby. Surprisingly good for the price.
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Tiny but terrible. This amp is great for speakers, but you’ll need a subwoofer amp if you are looking for more bass in your setup. Still great sound quality from Pioneer
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Bought the amp with the 6x9s bundles. Pretty great sounding combo from Pioneer. Love the size as I'm used to bigger car amps before this one. Excellent stuff from Pioneer
