Pioneer GM-DX104 GM Digital Series 4-Channel 400W Max Power, Class-D Car Amplifier
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What's Inside?
- • 4-Channel amplifier (installed 15A mini-ATO fuse)
- • 40" Main harness
- • 40" Speaker-level input harness
- • 9" 4-Channel RCA input harness
- • 9" 2-Channel RCA input harness
- • (2) Mounting brackets
- • (2) 3/8" screws
- • Owner's Manual
Why Choose Pioneer GM-DX104 4-Channel Amplifier?
Powerful Class D Multi-Channel Amplifier for Superior Sound
Experience unmatched sound quality with our Class D 4/3/2-Channel Amplifier! Delivering a stunning 100W x 4 (4Ω) or an incredible 200W x 2 (4Ω Bridged) of maximum power, this amplifier takes your audio system to the next level. Enjoy crystal-clear tunes with an RMS power output of 45W x 4 (4Ω) or 90W x 2 (4Ω Bridged), perfect for audiophiles who demand precision.
High-Performance Class-D Amplifier with Hi-Res Audio and EV Compatibility
Elevate your audio experience with Class-D Amplification featuring Hi-Res Audio components, delivering unparalleled sound quality with precision and power. Designed for the future, it’s compatible with electric vehicles (supports up to 16V DC), ensuring seamless integration. Enjoy clearer sound imaging with isolated left and right channels and an improved signal-to-noise ratio of 93 dB.
Premium Audio Power System with Advanced Connectivity and Performance
Power your audio system with confidence using a high-quality OFC cable designed for maximum efficiency. Enjoy exceptional performance with a toroidal transformer in the power supply stage and toroidal coils in the output stage, ensuring clean, stable power delivery. Versatile and user-friendly, this system supports both speaker-level and RCA inputs, while its auto-sensing input ensures seamless operation.
Frequently Asked Questions (FAQ)
- • Why does the amplifier keep entering protection mode?
Protection mode is usually caused by a wiring short, overheating, or a speaker load below the recommended impedance. Inspect all wiring and verify that the connected speakers meet the amplifier's specifications.
- • Can I install this under a vehicle seat?
Yes. Its compact design allows installation under many seats as long as there is enough airflow to prevent overheating.
- • Why is there no sound even though the power LED is on?
A disconnected input cable, incorrect head unit settings, or loose speaker wiring can prevent audio output. Check every connection before assuming the amplifier is defective.
- • Can this amplifier power aftermarket door speakers?
Yes. It is designed to provide clean, reliable power for aftermarket full-range speakers in most vehicle audio systems.
- • Why does the sound become distorted at higher volume levels?
Improper gain settings or clipping from the source unit are the most common causes of distortion. Correct amplifier tuning helps maintain clear sound while protecting your speakers.
- • Can I bridge two channels to run a subwoofer?
Yes, if the amplifier supports bridged operation and the connected load matches the recommended impedance. Always follow the wiring diagram provided in the owner's manual.
- • Why does it become very hot after extended use?
Some heat is normal during operation, especially at higher output levels. Make sure the amplifier has adequate ventilation and is not installed in a confined space without airflow.
- • Why do I hear engine noise through my speakers?
Engine whine is typically caused by poor grounding or RCA cables routed alongside power wiring. Improving the ground connection and separating signal cables from power cables usually eliminates the noise.
- • Can this be connected to a factory stereo?
Yes. It can work with many factory head units by using speaker-level inputs or the proper integration accessories when needed.
- • Why does the amplifier shut off when I increase the bass?
This can happen because of low battery voltage, overheating, or an impedance load that is too low. Check your electrical system, wiring, and speaker configuration to determine the cause.
- Maximum Power : 400 Watts
- Number of Channels : 4
- Frequency Response : 10-40000 Hz
- Amplifier Class : D
- Fuse Rating : 15 A
Features:
- Amplification: Class-D Amplification with Hi-Res Audio Capable Components
- Electric Vehicle Compatibility: Supports up to 16V DC for EV integration
- Channel Isolation: Isolated Left and Right Channels for clearer sound imaging
- Signal-to-Noise Ratio: Improved performance with 93 dB SNR
- Crossover System: LPF/HPF crossovers (80Hz -12dB/Octave) with independent gain control
- Power Cable: High-quality OFC cable for efficient power delivery
- Power Supply: High-quality toroidal transformer for stable power output
- Output Stage: Toroidal coils for enhanced performance
- Input Compatibility: Supports both speaker level and RCA inputs
- Auto-Sensing Input: Seamless operation with automatic input detection
Specifications:
- Amplifier Class: Class D
- Number of Channels: 4/3/2
- Max Power Output: 100W × 4 (4Ohm), 200W × 2 (4Ohm Bridged)
- RMS Power Output: 45W × 4 (4Ω), 90W × 2 (4Ω Bridged)
- Frequency Response: 10Hz~40kHz (+0dB, -3dB)
- Signal-to-Noise Ratio (S/N): 93dB
- Speaker Level Input: Yes
- Crossover Type: Variable HPF/LPF
- Dimensions: 181(W)mm × 38(H)mm × 64(D)mm
- UPC: 884938525664
- Weight: 2
- 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.