Best Cheap 4 Channel Amp | Reviews & Recommendations

Truly finding the cheap 4 channel amp is only effective if you can get your hands on some options, which is exactly what we did.

After researching many products, we shaved the list down to the top 10 options today by researching design, capability, durability, features, price, and overall build quality.

We researched hours on these products and compared them to one another to see which one is the best for every need. Read this cheap 4 channel amp article with an extensive buying guide if you're interested in buying or learning about these cheap 4 channel amp.

# Preview Product Score
1 New Crunch PX-1000.4 4 Channel 1000 Watt Amp Car Stereo Amplifier + Wiring Kit

New Crunch PX-1000.4 4 Channel 1000 Watt Amp Car Stereo Amplifier + Wiring Kit

9.7
2 Power Acoustik VA4-1800D Vertigo Series 1,800-Watt Max 4-Channel Class D Amp

Power Acoustik VA4-1800D Vertigo Series 1,800-Watt Max 4-Channel Class D Amp

9.3
3 BLAUPUNKT 1600W 4-Channel, Full-Range Amplifier AMP1604

BLAUPUNKT 1600W 4-Channel, Full-Range Amplifier AMP1604

9.4
4 BOSS Audio Systems R1004 4 Channel Car Amplifier – Riot Series, 400 Watts, Full Range, Class A/B, 2 Ohm Stable, IC (Integrated Circuit) Great for Car Speakers and Car Stereos

BOSS Audio Systems R1004 4 Channel Car Amplifier – Riot Series, 400 Watts, Full Range, Class A/B,...

9.3
5 Audiobank 4 Channels 1000 WATTS Bridgedable Car Audio Stereo Amplifier P1004 Heavy-Duty Aluminum Alloy Heatsink | Class A-B Operation Remote On/Off Circuit

Audiobank 4 Channels 1000 WATTS Bridgedable Car Audio Stereo Amplifier P1004 Heavy-Duty Aluminum...

9.4
6 Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA400)

Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof,...

9.3
7 Blaupunkt 1500W 4-Channel, Full-Range Amplifier

Blaupunkt 1500W 4-Channel, Full-Range Amplifier

9.6
8 Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB

Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof -...

9.2
9 4 Channel High Power Amplifier - Slim Stereo 4 Channel Car Audio Stereo Amplifier Amp 4Ohm

4 Channel High Power Amplifier - Slim Stereo 4 Channel Car Audio Stereo Amplifier Amp 4Ohm

9.2
10 Crunch SA-1100.4 Smash Series 1,100-Watt 4-Channel Class AB Amp

Crunch SA-1100.4 Smash Series 1,100-Watt 4-Channel Class AB Amp

9.4

List of best cheap 4 channel amp  Reviews

Bestseller No. 1

New Crunch PX-1000.4 4 Channel 1000 Watt Amp Car Stereo Amplifier + Wiring Kit

  • Crunch PX 1000.4 4 Channel Car Amplifier
  • Power:
  • 2 Ohms: 4 x 250 Watts
  • 4 Ohms: 4 x 125 Watts
  • Mono Bridged @ 4 Ohms: 2 x 5000 Watts
SaleBestseller No. 2

Power Acoustik VA4-1800D Vertigo Series 1,800-Watt Max 4-Channel Class D Amp

  • 2 ohm stereo and 4 ohm bridged full range amp
  • 1,800 watts max power
  • 100 watts RMS x 4 at 4 ohms
  • 160 watts RMS x 4 at 2 ohms
  • 320 watts RMS x 2 at 4 ohms bridged
Bestseller No. 3

BLAUPUNKT 1600W 4-Channel, Full-Range Amplifier AMP1604

  • Blaupunkt AMP1604 4-Channel, Full-Range Amplifier Max. Output Power: 1600W
SaleBestseller No. 4

BOSS Audio Systems R1004 4 Channel Car Amplifier – Riot Series, 400 Watts, Full Range, Class A/B, 2 Ohm Stable, IC (Integrated Circuit) Great for Car Speakers and Car Stereos

  • Power - 100 Watts Max X 4 @2-Ohms, 50 Watts Max X 4 @4-Ohms
  • Class A/B Topology - Class ‘A’ Amplifiers Have Enormous Amount Of Current Flowing Through Its Output Transistors With No Audio Signal. Class ‘B’ Amplifiers Have No Current Flowing Through Its Outputs With No Audio Signal
  • Full Range - With A Full Range Amplifier You Not Only Have The Option To Run Your Speakers, But Also Your Subwoofers
  • Variable Gain Control - The Gain Control Is Not For Adjusting Volume. It Simply Adjusts The Amount Of Signal That Is Coming From Your Receiver And Going To Your Amplifier
SaleBestseller No. 5

Audiobank 4 Channels 1000 WATTS Bridgedable Car Audio Stereo Amplifier P1004 Heavy-Duty Aluminum Alloy Heatsink | Class A-B Operation Remote On/Off Circuit

  • 2 Ohm Stable Operation & Soft Turn On Circuit
  • Thermal and Speaker Short Protection Circuitry
  • Heavy-Duty Aluminum Alloy Heatsink | Class A-B Operation
  • Remote Turn-On / Turn-Off Circuit
  • LED Power and Protection Indicators
Bestseller No. 6

Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA400)

  • PREMIUM 4 CHANNEL AMPLIFIER: Pyle’s PLMRA400 is engineered as a 4 Channel marine amplifier that allows high quality stereo reproduction from source. This will power up your speaker and be universally compatible with a variety of head units
  • RCA STEREO INPUT: For an easier use of this hydra marine amplifier, it comes with premium RCA inputs. If your marine receiver lacks RCA output jacks, you can connect speaker output leads to the high-level terminal inputs
  • SHORT PROTECTION: Built with a heavy duty Aluminum Alloy heatsink, thermal overload speaker short protection and LED light indicator. These are to protect the amp and your vehicle's electrical system from short circuit conditions
  • POWERFUL 400 WATT: This amplifier is powerful with its 100 WATT x 4 max or 400 WATT and dual MOFSET power supply. Comes with dual adjustable input GAIN level controls between 1-300mV and 4 or 8 Ohm speaker impedance
  • MARINE GRADE: With its Marine rating of IP-01, it is waterproof ready. It’s constructed with gold-plated speaker output terminal connectors as well to combat corrosion with long term use
Bestseller No. 7

Blaupunkt 1500W 4-Channel, Full-Range Amplifier

  • 1500W Maximum Power Full-Range Amplifier
  • Optimized 150-watt RMS output and a max power output of 1500 watts, you can give your music a huge boost in power that will have you and your passengers partying while on the road
  • This slim amplifier fits perfectly into any trunk so you can easily connect it to your stereo system
SaleBestseller No. 8

Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB

  • ADJUSTABLE TREBLE BASS EQ: Bass signal output can operate independently and the bass amplitude range is fine-tuning. The subwoofer output is controlled separately. May appropriate to adjust the style effect according to your needs for sound effect
  • WIRELESS BLUETOOTH CONNECT: Built in 2.1 version and that ranges up to 50’ + feet and has thermal power protection circuitry and variety spring loaded speaker terminal. Also,installed with HD sound and LED digital screen that your stereo is working
  • 400 WATT POWER: 2 channel amplifier with 400 watt RMS at 4 ohm impedance and frequency range between 10-40 kHz for unrivaled sound superiority. Fully marine grade rating at IP-41, a class D circuit and RCA audio connector
  • AUXILIARY INPUT: Save MP3 audio files to a memory card and play back through the USB or SD card reader pair of RCA jacks on the rear of the amplifier, to external smartphone, computer, MP3, laptop or tablet. Connect and stream from external devices
  • HIGH-FIDELITY STEREO DESIGN: It has perfect audio outputs, plus a separate subwoofer output, volume, treble and bass shock, which can be accessed in the side panel button control center. It is made durable marine grade construction and waterproof
Bestseller No. 9

4 Channel High Power Amplifier - Slim Stereo 4 Channel Car Audio Stereo Amplifier Amp 4Ohm

  • Brand new and reliable quality 4 Channel Car Amplifier
  • Can connect to 4 speakers,6 phase high frequency intermediate frequency low frequency regulation
  • Double low frequency output,can be push any size Subwoofer within 160W rated power
  • This 4 channel amp is also equipped with fuse to protect the amplifier and the electrical system of your car from thermal / overload / short circuit conditions.
Bestseller No. 10

Crunch SA-1100.4 Smash Series 1,100-Watt 4-Channel Class AB Amp

  • 4 channels x 40 watts at 2 ohms
  • 4 channels x 30 watts at 4 ohms
  • 2 channels x 60 watts (mono bridged) at 4 ohms
  • Operates in 4-channel stereo, dual stereo bridged, stereo + bridged mono, or dual bridged mono
  • Fully adjustable variable electronic crossover: 12 dB per octave
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