Garage
Shop

See all parts that fit your 2023 M8

RE Audio ZTX-800.4 (ZTX800.4)

420W RMS 4-Channel Class AB ZTX Series Car Amplifier

RE Audio
Shop all RE Audio
Product videos
highlight-star-icon

ZTX Series 4-Channel Class AB Amplifier • 85W x 4 Chan. @ 4 ohm • 110W x 4 Chan. @ 2 ohm • 210W x 2 Chan. @ 4 ohm • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Variable Bass Boost 0-18 dB

Learn more about the ztx8004

We apologize

This item has been discontinued


Loading...
RVM-35V1 main

MB Quart RVM-35V1

3.5" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-10.38%

$189.99

List price $211.99

RV.R1 main

DS18 RV.R1

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

RVDVD3.0 main

MB Quart RVDVD3.0

Multi-Zone DVD Receiver with Bluetooth for RV's

1
-10.10%

$257.99

List price $286.99

MB Quart RVM2.0

Multi-Zone Digital Audio Receiver with Bluetooth Audio Streaming for RV's

-10.29%

$156.99

List price $174.99

RVM-10V1 main

MB Quart RVM-10V1

10" Touchscreen Multi-Zone Digital Multimedia Receiver with Bluetooth for RV's

-9.09%

$250.00

List price $275.00

PRO-1.5KP10.4 main

DS18 PRO-1.5KP10.4 (Sold Individually)

3000W Peak (1500W RMS) 10" PANCADÃO Series 4-ohm Mid-bass Speaker

US2-C65A-175 main

SSV Works US2-C65A-175

120W Peak (60W RMS) Cage Mount Speaker Pods with 1.75" Clamp

US2-C65A-200 main

SSV Works US2-C65A-200

120W Peak (60W RMS) Cage Mount Speaker Pods with 2" Clamp

49ST9MR4 main

Kicker ST9MR4 (49ST9MR4)

1200W Peak (600W RMS) 9" Street Series Pro Midrange 4-ohm Speakers

-9.09%

$199.99

List price $219.99

220-US2-C65U-150 main

SSV Works US2-C8U-150

Unloaded 8" Cage-Mount Speaker-Pods Enclosure

Product Highlights


ZTX Series 4-Channel Class AB Amplifier • 85W x 4 Chan. @ 4 ohm • 110W x 4 Chan. @ 2 ohm • 210W x 2 Chan. @ 4 ohm • 3-Way System Protection • 4/3/2/1 Channel Operation • 4 Gauge Power and Ground Inputs • Variable Bass Boost 0-18 dB

Description


RE Audio brand icon

Authorized dealer

General Features:

  • ZTX Series 4-Channel Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 85 watts x 4 chan.
    • 2 ohm: 110 watts x 4 chan.
    • Bridged, 4 ohm: 210 watts x 2 chan.
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +18 dB bass boost at 45 Hz)
  • Soft start turn-on
  • 4/3/2 or Mono channel operation
  • Speaker-level (high-level) inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity:
    • Level: 125mV-5V
  • Variable high-pass filter (40-250 Hz, 12 dB/octave)
  • Variable low-pass filter (40-250 Hz, 24 dB/octave)
  • 8 gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier.
  • Dimensions: 9-1/2"W x 14-1/16"L x 2-7/16"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Best selling similar products

VADM4v2 small

NVX VADM4 v2 (VADM4v2)

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(41)

$209.99

List price $239.99

NDA6004 small

NVX NDA6004

• 100 watts x 4 channel @ 4 ohm
• 160 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(14)

$159.99

List price $215.99

MFA 4.220 small

Deaf Bonce MFA 4.220

• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$289.90

List price $289.90

RD400/4 small

JL Audio RD400/4

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(28)

$379.99

List price $379.99

MFA 4.180 small

Deaf Bonce MFA 4.180

• 180 watts x 4 channel @ 4 ohm
• 270 watts x 4 channel @ 2 ohm
• Bridged: 540 watts x 2 channel @ 4 ohm
• Total RMS Power: 1080 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$259.90

List price $259.90

JD400/4 small

JL Audio JD400/4

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(34)

$299.99

List price $299.99

VAD10004v2 small

NVX VAD10004 v2 (VAD10004v2)

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(24)

$279.99

List price $335.99

MVPA4 small

NVX MVPA4

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(70)

$279.99

List price $383.99

R2-500X4 small

Rockford Fosgate Prime R2 R2-500X4

• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(10)

$359.99

List price $359.99

KTA-450 small

Alpine KTA-450 Power Pack

• 50 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(20)

$299.95

List price $360.00

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
85 watts x 4 channel
RMS Power @ 2 ohms
110 watts x 4 channel
Bridged RMS Power
210 watts x 2 channel
Amplifier Specifications
Series
ZTX Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total Peak Power Output
800 watts
Total RMS Power Output
420 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.02%
Speaker Level Inputs
Yes
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
40 - 250 Hz
Low-Pass Crossover Frequency
40 - 250 Hz
Signal-to-Noise Ratio
90 dB
Channel Separation
90 dB
Bass Boost
0 - 18 dB
Remote bass/level controller
No
Fuse Rating
35A x 2 
Strappable
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

ZTX-800.4

Weight:

7.50lbs

Internal SKU:

ztx8004

Internal Product ID:

68116

Product and How-to Videos


  • RE Audio New Product Line Overview | CES 2015
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


RE Audio ZTX-800.4 (ZTX800.4) thumbnail image

5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

Sweet amp!

Got this amp running a pair of Infinity kappa 6.75" comps and a Skar 10". Gets loud and sounds very clean. Runs cool and has good adjustability.

By Tomas on January 13, 2015

20 found this helpful


RE Audio ZTX-800.4 (ZTX800.4)

I have this amp running 2 set of re audio 6.5 components and it gets super hot after playing 15/20 minutes.. it sounds nice super loud

By Anonymous on June 24, 2018

11 found this helpful




MT80000 small

Axis MT80000

The Champ Appliance Hand Truck with Auto-Recoil Straps

$209.00

List price $250.00

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2023 BMW M8

2018 Genesis G90

2002 GMC Envoy

2014 Toyota Camry

1996 Lexus SC400

2000 Lamborghini Diablo

2013 Scion xB

2018 Dodge Durango

2002 Dodge Ram 3500

1996 BMW 318is

Vehicle
Store
Delete

2000 Harley Davidson FXR4

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.