SKU: 89867061512

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

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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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4.0 ★★★★★
Based on 20 reviews
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Product Reviews
A
Verified Purchase
Amazon_Customer
Los Angeles, US
★★★★★ 5
CAN be used for simple Home Theater but really shines when playing music.
Style: R-S202BL, Configuration: receiver only
First: YES, you can use this as an AV receiver *IF* you have a simple home theater setup and are willing and know how to run a digital to analog audio converter from your TV to the inputs of the receiver. BestBuy sells an inexpensive and intuitive unit. HOWEVER, if you have several devices associated with your home theater (i.e. more than 2 -- then this probably isn't a great option for you). I generally prefer Vintage Stereo equipment -- My ideal receiver was the Yamaha CR-2020. But sadly, those are hard to come by and have are more expensive and like a used car -- you don't really know what maintenance you have ahead of you. I had inherited a Sony AV receiver that pre-dated HDMI. It worked and I could even program my Logitech remotes with it. However, it really didn't bring the best sound out of my speakers -- a pair of original Large Advents. Plus, it seemed like it was starting to give up the proverbial ghost. My AV setup is pretty simple since I dumped Time Warner -- or whatever they are calling themselves these days. I have a TV, Roku Streaming stick and that's it! I don't have a living room that would accommodate 20 speakers and a sub without tripping over them (my cats and dog and kids shoes provide enough of an obstacle field). The downside -- this isn't really intended to be an AV receiver. No Optical Audio in... no HDMI ports... you have to make it work if you want to use it for your TV as well. I purchased an Insignia Digital to Analog Audio converter -- you plug in the HDMI cable from your TV into the input and use RCA cables as the output to plug into the receiver. This little gizmo was about 25 bucks so I was still saving quite a bit of money over "full-featured" AV receivers. The sound for the TV is fine -- You aren't going to be fooled into thinking you are in an IMax theater or anything. But that wasn't my primary concern. I really wanted my music to sound great. And playing music is where this receiver really shines! I *REALLY* like the Bluetooh connectivity so that I can play from my computer, cell phone without having to use a patch cable to plug into the receiver. It has a very simple interface -- mainly because there just isn't that much functionality. push a few buttons and you'll be able to figure it out without a manual. I know several reviewers have commented on the flimsy clips for the speaker wire but I have some fairly heavy gauge wire and it doesn't works just fine. I don't use banana plus -- just run the copper straight in. Once you get it set up, you shouldn't have a problem -- it isn't like you are constantly re-wiring your speakers. I was able to purchase this for less than 120 bucks and it drives my vintage Large Advents really well. It provides a beautiful full sound for a wide variety of musical genres. Maybe one of these days, I'll stumble across another great vintage receiver. But for the money and the convenience of a remote and bluetooth, this receiver can't be beat. [NECAR}
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Reviewed in the United States on January 30, 2018
C
Verified Purchase
Count Pitoffy
Dallas, US
★★★★★ 5
No Nonsense
Style: R-S202BL, Configuration: receiver only
I love this unit! No buzzers and bells, just high quality, hi-fidelity audio. Very easy installation and easy to use remote. Display is not cluttered with unnecessary information. It's sleek appearance make it an awesome unit for any indoor application.
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Reviewed in the United States on April 17, 2026
B
Verified Purchase
Bryan G
Houston, US
★★★★★ 5
Does exactly what I wanted, sounds perfect for the price.
Style: R-S202BL, Configuration: receiver only
I'm kind of an audiophile, really picky. I got this while on sale for $150 and I am really surprised with how good it sounds, it doesn't compare to the Niko amp I was using in the barn, but it powers my KX12 speakers really well, shakes the walls of the barn. I'll be taking those speakers inside for the winter along with the Niko amp and be using the YAMAHA NS-6490 speakers I bought at the same time as this. I'll be reviewing those speakers soon, they also surprised me. The bluetooth connected easily. I had to use a 3.5mm Aux to 2 RCA Adapter Audio Cable to connect my laptop to it. Some stereos come with a 3.5mm input, this doesn't, but neither did my Niko Beta 30 preamp, so no big deal, the adapter was less than $8. The tuner is really good, I have this in my pole barn that is all metal, including the roof and 18 miles out of town yet it picks up several stations with the supplied antenna, my portable stereo doesn't pick up anything when in the barn. The specs say it plays 10 Hz – 100 kHz, that seams a little much, the best ears can hear is up to 20kHz, and nothing you connect to it will go higher than 30 kHz, so why would this play up to 100? I use an equalizer to shape the sound and it does play to my satisfaction for the price, both sound quality and volume. For the $150 I spent, this is a really good deal.
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Reviewed in the United States on November 18, 2023
S
Verified Purchase
srptopdog
Whiting, US
★★★★★ 4
Excellent, But I Returned It...
Style: R-S202BL, Configuration: receiver only
I have been a pro musician all of my life and have owned and still use a variety of high quality recording gear. It was time to simplify my setup for the benefit of others. Although my setup sounded great, it was too confusing for friends and family to use with my separate power and mixing console, etc. The solution was to buy a self contained stereo receiver that was easy for everyone to use. Being on a budget, and having owned a myriad of Yamaha instruments and audio gear over the years, I felt confident in buying this receiver without hearing it first. The bang for the buck is great, and this could easily be a five star rating. I will avoid commenting on specs, etc., as those can be easily compared at anyone's leisure. The Bluetooth feature is very nice, as I am often streaming songs my band is covering and learning from my phone or iPad and it sure is convenient to connect wirelessly, and the sound is great, btw. Even better than a wired connection. Build quality is excellent. It's a fine device, no question. Despite the many reasons for liking this receiver I returned it after several weeks of daily listening. Bottom line, in my opinion, I did not like the audio quality. Although it can produce more than enough volume to fill my 12' x 18' listening space, there was a lack of fullness and warmth to the sound. True, this receiver is certainly at entry level pricing, but my primary need was to obtain the best sounding 2-channel unit within my budget. I have ordered the Onkyo TX-8020, which I believe will be a better sounding receiver for my needs. Although the Onkyo lacks Bluetooth, it does offer a separate subwoofer output (which is something I might add down the road), and has a built in phono preamp input, eliminating the need to purchase a separate turntable preamp should I have kept the Yamaha, as I own LPs. A comment about wattage. The Yamaha claims 100w /channel, while the Onkyo, only 50w /channel. Power amp designs vary widely, as do power amp ratings and and measurements. For example, the guitar player in my classic rock band plays a 15 watt amp, and at a loud concert may get turned up to 3, with lots of headroom to spare. Google the subject if you're interested in learning more. I should mention that speakers vary widely in design and performance too, and it's possible the Yamaha will come alive and sound to my taste with other speakers. I believe many people will really enjoy the Yamaha BL202. It's a fine receiver. Bottom line, if YOU like it, that's all that matters. I will amend this review soon after I receive the Onkyo. UPDATE 6-28-16: I received the Onkyo TX-8020. I like the amplifier better. To my ears, the bass is tighter, more defined and warmer. Mids and highs seem smoother, and the soundstage in well defined and natural. The overall sound is "fuller." Sound is subjective, and in the end your ears decide what you like to hear. The Yamaha sounded great too. Although I don't have Bluetooth with the Onkto, I can stream YouTube and my internet radio stations from my phone or iPad to my Roku player, which is connected to the Onkyo, so I will have somewhat similar wireless capability. There is a wireless add-on accessory to connect an IPad , iPod or iPhone that I may consider.
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Reviewed in the United States on July 26, 2016
J
Verified Purchase
J.H.K.
Waukegan, US
★★★★★ 5
Great features and impressive quality for the price!
Style: R-S202BL, Configuration: receiver only
Got this for my classroom. Not an audiophile by any means and certainly didn't need the latest greatest features (along with accompanying higher cost). For what I paid, $150 on Amazon before sales tax, I'm very impressed with what it offers and can do. Installed it in my classroom today. Connected it to a pair of old Sony bookshelf speakers which I got around 10 years ago. Specifically got this receiver because the old Onkyo I previously used (still working even though it must be from 1980s or 1990s) was unable to handle audio input from my classroom desktop computer even though I had gotten an adapter cable that had a 3.5mm jack on one end and two RCA (red/white) plugs on the other end. Wanted to use the bookshelf speakers instead of the weak external speakers provided by school for whenever I would need audio during a lesson, video clips, etc. to be heard by students at the back of the classroom. After setting up this receiver and putting it through its paces, I am pleased with its overall performance. I connected my classroom's desktop computer to the receiver using that adapter cable previously mentioned and this receiver had no problems at all picking up the signal and transmitting it to my bookshelf speakers. Tried out the radio tuner and was pleasantly surprised by both how clear the sound quality is for many local stations (compared to the Onkyo I had previously been using) and for even decoding signals from distant stations (I'm using a spare cheap external FM radio antenna, not the wire antenna provided with this unit) which the previous Onkyo receiver (and even my car radio) can't pick up clearly if at all. The Bluetooth feature is nice. There's a cheaper version of this receiver without the Bluetooth feature but I decided that the extra $20 was worth it for providing additional possibilities. Had no problem pairing this receiver with my Nexus 6 smartphone. No problems streaming music from my smartphone to the receiver. So far, I've only encountered one problem. I thought about docking one star off for this problem but in the end decided not to do so because the overall functionality and performance of the receiver isn't significantly impaired by this issue. When I first powered up this receiver (after making all the necessary audio connections to speakers and computer), I thought I might have had a defective unit because I couldn't hear anything even though the volume was clearly set at 40 (out of a 0-99 scale). After some trial and error, what I discovered was that any setting below 45 is practically impossible to hear coming out of my speakers. Once I cranked up the volume to 50-55, sound was clearly discernible to anyone near the speakers. From 55-65, sound fills up my entire classroom nicely. From 65-75, it gets loud in my classroom and when I walked out into the hallway (and then continued walking down the hallway) I could hear the sound clearly from several classrooms away. I can only imagine how loud it might be (and how far the sound may travel) if I cranked up the volume beyond 75. So, for all intents and practical purposes, the sound on this unit works but I'm essentially navigating between 45 (quiet) and 80 (really loud) instead of the full range of 0-99. Like I said, functionality and performance doesn't seem to be impaired by this discrepancy, so I ultimately decided not to knock off a star. Not sure if this issue is particular to the specific unit I received or a recurring pattern in more units beyond mine. Not a deal-breaker and not worth going through the hassle of a merchandise exchange since it gets the job done. Looking forward to seeing how well this unit works out for this coming school year (and hopefully for many years beyond). If anything should arise to warrant editing this review, then I'll update as needed.
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Reviewed in the United States on August 6, 2016

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