Pioneer GM-DX975 GM Digital Series 5-Channel 100W RMS x 4 at 2-Ohms + 5th Channel 600W RMS x 1 at 2-Ohms, Class-D Car Amplifier
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What's Inside?
- • 5-Channel amplifier
- • (3) 30-amp ATO fuses (installed)
- • 8" Speaker input harness
- • Wired Bass Boost Remote
- • 16' Bass Boost Remote cable (RJ-14 plug on both ends)
- • (4) 3/4" Screws
- • (2) 3/8" Screws
- • 3mm Allen wrench
- • 1.5mm Allen wrench
- • Warranty information
- • Owner's Manual
Why Choose Pioneer GM-DX975 5-Channel Amplifier?
Class-D Technology
When looking for a powerful and all-around full-range car amplifier, the Pioneer GM-DX975 has more than enough to power up your car audio system. With its Class-D technology, it won't have any problem delivering a power output that would maximize the potential of all the speakers in your car.
Comes With a Small Chassis
The Pioneer GM-DX975 comes with a small chassis, allowing you to install it even in tight spaces inside your car. It has gold-plated RCA connections to ensure stable connection all the time. Its aluminum panel and rigid frame give the amplifier the durability to last for a long time.
Frequency Response of 10 Hz Up to 50 Khz
The Pioneer GM-DX975 has a power output of 75 Watts RMS in each of the four channels and 350 Watts RMS in the subwoofer channel at 4 ohms. At 2 ohms, it can also produce a power output of 100 Watts RMS in each of the four channels and 600 Watts RMS for its subwoofer channel. It also has a frequency response of 10 Hz up to 50 kHz, which is pretty impressive for its size.
High and Low-pass Filters From 40 Up to 500 Hz
The Pioneer GM-DX975 amplifier has variable high and low-pass filters from 40 up to 500 Hz on each of its four channels, while it also has a variable low-pass filter from 40 up to 500 Hz on its subwoofer channel. Lastly, it has a variable boost of up to 18 dB at 50 Hz if the bass production is still lacking for you.
Frequently Asked Questions (FAQ)
- • Why does the amplifier keep going into protect mode?
Protect mode is commonly triggered by shorted speaker wires, incorrect impedance, or overheating. Inspect the wiring, verify the speaker load, and allow the amplifier to cool before restarting it.
- • Why is there no sound coming from the subwoofer channel?
Incorrect crossover settings, loose RCA cables, or improper wiring can prevent the subwoofer from receiving a signal. Check the amplifier settings and verify all connections are secure.
- • Why does the amplifier get extremely hot during use?
Restricted airflow, low speaker impedance, or continuous high-volume playback can increase operating temperatures. Ensure the amplifier has adequate ventilation and is wired within its recommended specifications.
- • Can I power both my door speakers and subwoofer with one amplifier?
Yes. A 5-channel amplifier is specifically designed to power multiple full-range speakers while driving a dedicated subwoofer from the fifth channel.
- • Why do I hear engine whine through my speakers?
Engine noise is usually caused by a grounding problem or RCA cables routed too close to power wires. Improving the ground connection and separating signal cables from power cables often eliminates the noise.
- • Why does the amplifier turn on but produce very little volume?
Low gain settings, weak input signals, or incorrect crossover adjustments can reduce output. Verify the source unit's preamp settings and adjust the amplifier gains properly.
- • Can I bridge channels for more power?
Only the channels designed for bridging should be bridged according to the owner's manual. Using an unsupported wiring configuration can damage the amplifier or connected speakers.
- • Why does the bass cut out when I raise the volume?
This may happen if the amplifier is clipping, overheating, or experiencing voltage drops from the vehicle's electrical system. Check your power wiring, battery condition, and gain settings.
- • What size power wire should I use for installation?
Using the recommended power and ground wire gauge helps the amplifier receive stable current and operate safely. Undersized wiring can reduce performance and increase the risk of voltage loss.
- • Why does the amplifier shut off after playing for a while?
Thermal protection, insufficient charging voltage, or poor electrical connections are common causes. Check the vehicle's charging system and ensure the amplifier has proper ventilation and secure wiring.
- Maximum Power : 2000 Watts
- Number of Channels : 5
- Frequency Response : 10-50000 Hz
- Amplifier Class : D
- Fuse Rating : 30x3 A
- Promo : Yes
Features:
- 2,000 Watts Max Power
- High Quality Textured Aluminum Panel and Tough Frame
- Variable High Pass and Low-Pass Filters
- Gold-plated RCA Terminals
- Hi-Res Audio Capable
- Bass Boost Remote included
Specifications:
- CEA-2006 Compliant: Yes
- Hi-Res Certified: Yes
- Allowable Load Impedance: 2 ohm to 8 ohm allowable
- Avg Current Consumption (amps x #ch): 5.2 A x 5-Channel - 4 Ohm
- Bass Boost: 50 Hz - Frequency
- Continuous-Power-Output: 75 W x 4-Channel + 350 W x 1-Channel - 4 Ohm / 100 W x 4-Channel + 600 W x 1-Channel - 2 Ohm / 200 W x 2-Channel + 350 W x 1-Channel - 4 Ohm Bridged
- Crossover Network Channel: HPF - A/B Ch 40Hz-500Hz / LPF - A/B Ch 40Hz-500Hz
- Crossover Network Channel Slope: -12db/oct (A/B Ch)
- Crossover Network Subwoofer Channel: LPF - 40 Hz to 500 Hz
- Crossover Network Subwoofer Slope: -12dB, 24 dB/oct
- Frequency Response – Subwoofer Channel: 10 Hz ~ 500 Hz
- Frequency Response Channel: 10 Hz to 50 kHz (+0dB,-3dB) A/B Ch
- Fuse Rating: 30A x 3
- Maximum Power Output: 150 W x 4-Channel + 700 W x 1-Channel (4 Ohm)
- RCA Input: 6-Channel
- Signal to Noise: 75 dBA (Reference: 1 W into 4 ohm)
- THD - Subwoofer: =/< 1% ( 20 Hz to 240 Hz)
- THD-A/B/C Channel: =/< 1% ( 20 Hz to 20kHz) A/B Ch
- Bass Boost Remote: Yes
- Bridgable: Yes
- Class: D
- Grounding System: Negative
- High Quality Audio Components: Yes
- Power Source: 14.4V (10.8 V to 15.1 V allowable)
- Protection Control system: Yes
- Terminal Type: Block
- Unit Weight: 7.3 lbs
- UPC: 884938421867
- Weight: 8
- 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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I replaced the pioneer D9705 with this DX975. Same amp just gold plated terminals on the DX975. My D9705's sub channel went bad after 3 years. I also changed the kicker 10 passive sub with a Kicker 12 Solo Baric, 600rms 2ohm sub and it sounds great! Awesome Amp for the size, money and sound! I run 2 kicker in dash 4x6's and 2 overhead 5.25's in my 97 Jeep TJ on the other 4 channels and it rocks!! Tune it right and I think you'll really like this little amp. The wired bass boost makes it a plus.
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A perfect match to my Kicker speakers that I installed last month on my Silverado. I also just recently got a custom ported sub and its really sounding powerful with this amp. I have always been using Pioneer products for a long time and I dont think I’ll be steering away from one soon.
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Hooked up the 5.25s and 6.5s in my Silverado and its delivering more than enough volume from what I’ve expected with the amplifier. Also just had connected my 10 inch sub and now the sound is so good and complete, from bass, mids to highs. The high and low pass filters are really spot on, which makes tuning easier than the past amp that I got.
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Had it installed in my Tacoma to power all my speakers and sub and its doing a fine job for that. Fantastic full range sound. Very powerful amp to have. A+ for the overall performance.