SKU: 89867061512

pioneer 4-Channel - Class D, 400w Max Power - Bridgeable Amplifier

Sale price$134.55 Regular price$149.50
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Description

pioneer 4-Channel - Class D, 400w Max Power - Bridgeable AmplifierFeatures Hi Res Audio Certified Small Size Big Power 45Wx4 RMS @ 4 ohms (1%THD) 100Wx4 MAX @ 4 ohms (1%THD) High Pass and Low Pass Filters Gold plated RCA Terminals Features You'll Love. Experience unparalleled sound quality with compatibility for high resolution audio sources, delivering rich detail, an expansive soundstage, and stunning realism. Engineered with high performance operational amplifiers, the GM DX104 minimizes noise in small signal

Features

Hi-Res Audio Certified

Small Size – Big Power

45Wx4 RMS @ 4 ohms (1%THD)

100Wx4 MAX @ 4 ohms (1%THD)

High Pass and Low-Pass Filters

Gold-plated RCA Terminals


Features You'll Love.

Experience unparalleled sound quality with compatibility for high-resolution audio sources, delivering rich detail, an expansive soundstage, and stunning realism. Engineered with high-performance operational amplifiers, the GM-DX104 minimizes noise in small-signal circuits to produce crystal-clear tones across a wide bandwidth. This compact amplifier also offers the flexibility to amplify 4, 3, or 2 speakers by bridging or not bridging the outputs, resulting in available power of 4x 45 watts RMS at 4 ohms or 90 watts RMS when bridged. Its compact, energy-efficient design and high-voltage compatibility ensure effortless installation in virtually any vehicle, making it the ultimate choice for audiophiles seeking exceptional performance and versatility.

Exceptional Sound Quality Beyond Its Size

Enjoy premium audio performance with the GM-DX104, designed with high-quality components for exceptional Hi-Res sound quality. Its Class FD amplifier circuit integrates a high-performance operational amplifier suitable for high-resolution audio sources, delivering superior audio fidelity and dynamics. Independent F/R channel circuits ensure precise adjustment for perfect optimization with your source, maximizing the signal-to-noise ratio of your audio system. The use of OFC (oxygen-free copper) cables improves electrical conduction while reducing the risk of corrosion and oxidation over the years, which is often associated with performance losses. All with one goal: to offer you an immersive listening experience.

Adaptable Installation for Any Vehicle

The compact design of the GM-DX104 eliminates the need for extra space, allowing for seamless installation in virtually any vehicle. Its small size ensures flexibility, making it easy to integrate into tight spaces without compromising functionality or performance. No need to worry about installation constraints—this amplifier fits wherever you need it.

Easy and Efficient Installation

In addition to its compact size, the GM-DX104's low current consumption (averaging only 1.6 amps) simplifies installation by eliminating the need for additional wiring to the engine compartment, significantly reducing installation time. Power can be easily supplied from the back of your navigation or car audio system. With the included RCA input and speaker line input cables, you can begin your installation immediately after purchase. Designed for user-friendly integration, this amplifier guarantees a hassle-free installation process for everyone.

High Voltage Compatibility for Versatile Applications

Engineered for compatibility with high voltage systems up to 16V, the GM-DX104 is an ideal solution for electric vehicles (EVs) and other advanced applications. Its low current consumption, averaging only 1.6 amps, ensures efficient operation without excessive power draw. The circuit design incorporates carefully selected components optimized to deliver reliable, stable audio performance and exceptional energy efficiency from 10.5V to 16V, making it an excellent choice for any vehicle equipped with an Auto Start/Stop feature.

High-Quality Affordable Design

To prevent poor bass performance in demanding situations, such as heavy bass content or dynamic range music, Pioneer designed a high-quality power supply to sustain constant power requirements. This design enhances audio performance by providing a better signal-to-noise ratio, improved audio dynamics, sustained bass when needed, and, most importantly, a more enjoyable ride in your car!

Hi-Res Certified

An optimal printed circuit board design reduces signal interference, improves channel separation, and provides better dynamics and lower distortion. Audio film capacitors and a low-impedance coil for the output filter are used to ensure excellent sound quality. Audio tuning based on the reproduction of the original audio source allows listeners to experience the difference in sound quality. With sound data that exceeds the volume of CD sound information, this amplifier reproduces outstanding audio quality from high-resolution audio sources, offering incredibly lifelike sound.

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. The fixing points of the main board are optimized to completely suppress external vibrations and small vibrations caused by circuit parts. It adopts a heat sink structure that optimizes the position of large components, mounting screws, heat dissipation, and mechanical vibration suppression.

AMP FEATURES
Bridgable
Yes
Class
D
Grounding System
Negative
Power Source
14.4 V DC (10.5 V to 16.0 V)
Protection Control system
Yes
Terminal Type
Removable
Unit Weight
1.3 lbs
AMP FEATURES
Bridgable
Yes
Class
D
Grounding System
Negative
Power Source
14.4 V DC (10.5 V to 16.0 V)
Protection Control system
Yes
Terminal Type
Removable
Unit Weight
1.3 lbs
PRODUCT PERFORMANCE
Allowable Load Impedance
2 ohm to 8 ohm allowable
Avg Current Consumption (amps x #ch)
1.6 A (4 Ohms x 4ch),1.6 A (2 Ohms x 4ch),1.6 A (4 Ohms x 2ch Bridged)
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
Frequency Response Channel
10Hz to 40kHz (+0dB,-3dB) A/B Ch
Fuse Rating
15 A
High-Pass Crossover frequency
80 Hz (LPF/OFF/HPF)
High-Pass Slope (dB/octave)
-12 dB/oct
Low-Pass Crossover frequency
80 Hz (LPF/OFF/HPF)
Low-Pass Slope (dB/octave)
-12dB/oct
Maximum Power Output
100 W x 4-Channel (4 Ohm),200 W x 2-Channel (4 Ohm Bridged)
RCA Inputs
4-Channel
Speaker Line input Sensor
Yes
PRODUCT PERFORMANCE
Allowable Load Impedance
2 ohm to 8 ohm allowable
Avg Current Consumption (amps x #ch)
1.6 A (4 Ohms x 4ch),1.6 A (2 Ohms x 4ch),1.6 A (4 Ohms x 2ch Bridged)
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
Frequency Response Channel
10Hz to 40kHz (+0dB,-3dB) A/B Ch
Fuse Rating
15 A
High-Pass Crossover frequency
80 Hz (LPF/OFF/HPF)
High-Pass Slope (dB/octave)
-12 dB/oct
Low-Pass Crossover frequency
80 Hz (LPF/OFF/HPF)
Low-Pass Slope (dB/octave)
-12dB/oct
Maximum Power Output
100 W x 4-Channel (4 Ohm),200 W x 2-Channel (4 Ohm Bridged)
RCA Inputs
4-Channel
Speaker Line input Sensor
Yes
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 89867061512

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4.8 ★★★★★
Based on 15 reviews
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Product Reviews
T
Verified Purchase
Terrence Patriquin
Lowell, US
★★★★★ 5
Best for dogs with 3+ paws
This helped me run a sub 6 minute mile
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
N
Verified Purchase
Niko
Omaha, US
★★★★★ 5
A DESERVED 5-STAR DOG TOY!
Color: Regular color
WOW! It’s rare that I ever give 5-stars, but here we are! My hound dog officially turned 1 a few days ago and this was one of her presents. Being an “aggressive chewer” is an understatement, and she’s officially met her match. These rope toys are beyond tough and sturdy, but made well for chewing without being dangerous. She has so much fun swinging them around, playing tug-o-war, and just lying down giving them her playful attention. It’s fun hearing her growl as she tries her best to show the rope who’s boss. If you’ve got a medium-to-large sized pup that loves to play, let ‘em know they’re a good girl/boy with these extremely durable and affordable rope toys!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2026
T
Verified Purchase
Teresa Mercer
Chelsea, US
★★★★★ 5
good throw toy
Color: Regular color
My dog really likes this toy, but be aware that when they start to tug, it comes apart you will need to pick up the strings so they do not swallow them
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
H
Verified Purchase
Hannah K Holden
Battle Creek, US
★★★★★ 5
Dog Rope Toy
Color: Regular color
These dog rope toys are a great value, especially since several come in one pack. My dog is a black Labrador and a very aggressive chewer, so she goes through toys quickly. Each rope typically lasts her a few weeks to a month, which is impressive given how strong her bite is. She absolutely loves these and plays with them constantly. The ropes do eventually come apart, and once the braid starts to unravel, I make sure to throw them out to prevent her from swallowing any strands. That said, these toys are very effective at keeping her busy and away from chewing household items like pillows or sofa cushions—which is a much cheaper alternative! Overall, these are durable, affordable, and entertaining toys for strong chewers, as long as you supervise your dog during playtime.
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Reviewed in the United States on October 31, 2025
S
Verified Purchase
Speaks Unleashed
Birmingham, US
★★★★★ 4
Cane Corso Approved (Eventually Destroyed)
Color: Regular color
I bought the Forfon Tough & Strong Dog Toy for Aggressive Chewers for my Cane Corsos — and if you know Corsos, you know they don’t “chew.” They conduct demolition projects. First impression? Solid. Thick material, strong stitching, felt durable in hand. I actually had hope. Dangerous, I know. For about two weeks, this toy held its own. Tug sessions? Survived. Full jaw clamp tests? Passed. Backyard wrestling matches? Still standing. Then… week three happened. Let’s just say my dogs eventually discovered its weakness and turned it into modern art. But honestly? For aggressive chewers of this size and strength, lasting two weeks is basically a gold medal performance. Pros: ✔ Truly tougher than most toys we’ve tried ✔ Kept my dogs entertained ✔ Withstood serious chewing pressure Cons: • Not indestructible (especially against Cane Corso-level jaws) • Eventually surrendered to persistence If you have medium to strong chewers, this will probably last a long time. If you have giant, determined jaw athletes like mine, expect a respectable lifespan — not immortality. 4 stars because nothing survives forever in this house… but this one fought bravely. 🐶💪
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Reviewed in the United States on February 17, 2026

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