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Hifonics ZXi 6408

680W RMS, 4-Channel Zeus ZXi Series Amplifier (ZXi6408)

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The product on this page is discontinued.
  • Zeus ZXi Series 4-Channel Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 85 watts x 4 chan.
    • 2 ohms: 170 watts x 4 chan.
    • Bridged, 4 ohms: 340 watts x 2 chan.
  • Pulse width modulated (PWM) MOSFET power supply
  • Remote bass level input (remote level control sold separately)
  • LED power and protection indicators
  • Tuned Bass EQ (0-10 dB bass boost at 45 Hz)
  • Variable input control
  • Bridgeable operation
  • Soft turn-on circuitry
  • Preamp RCA outputs
  • DC, short, thermal, and overload protection circuitry
  • Heavy duty aluminum alloy heatsink
  • Chrome-plated RCA level inputs
  • Chrome-plated screw terminals
  • Variable high-pass filter (10-150 Hz, 24 dB/octave)
  • Variable low-pass filter (30-150 Hz, 24 dB/octave)
  • Frequency response: 10-30000 Hz
  • Dimensions: 13.78"L x 9.45"W x 2.4"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year SonicElectronix.com warranty
Product History:
Hifonics ZXi 6410 thumbnail
(newest, current model)
Hifonics ZXi 6408 thumbnail
(previous model, replaced by Hifonics ZXi 6410)
Hifonics ZXi 6406 thumbnail
(previous model, replaced by Hifonics ZXi 6408)
Hifonics ZX6400 thumbnail
(previous model, replaced by Hifonics ZXi 6406)
Power Specifications - Full Range Channels
RMS Power @ 4 ohms85 watts x 4 channels
RMS Power @ 2 ohms170 watts x 4 channels
RMS Power @ 1 ohmN/A
Bridged RMS Power340 watts x 2 channels
Peak Power OutputN/A
Amplifier Specifications
Amplifier ClassAB
Number of Channels4
Total Peak Power Output1360 watts
Total RMS Power Output680 watts
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.03%
Speaker Level InputsNo
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency10 - 150 Hz
Low-Pass Crossover Frequency30 - 150 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio95 dB
Channel Separation70 dB
Bass Boost0 - 10 dB
Bass/Gain RemoteOptional (Accessory required and sold separately)
Fan CooledNo
Fuse Rating60A x 1 
Warranty and Return Policy
Return Policy Standard Return Policy
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Amplifier Wiring Kits
Get the wires you need to properly install and power your car amp.
 ProductPriceAdd?
Kicker ZCK4Kicker ZCK4
Complete 4 Gauge Amp Wiring Kit with RCA Interconnect Cables and Speaker Wire!		$89.99
StreetWires ZN1K-04StreetWires ZN1K-04
4 Gauge (AWG) ZN1 Series Single Amplifier Installation Kit for Systems up to 1000 Watts		$37.99
Kicker PKD4Kicker PKD4
Dual Amplifier 4 Gauge Amp Installation Kit w/ Distribution Blocks		$99.99
Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
 ProductPriceAdd?
Kicker XW1220 Speaker WireKicker XW1220 Speaker Wire
12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install		$24.99
StreetWires SCP1215BL - 12 AWG Speaker WireStreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction		$19.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
 ProductPriceAdd?
Kicker 4-Channel RCA Audio Interconnect CableKicker 4-Channel RCA Audio Interconnect Cable
4 Meters (13 ft.) 4-Channel RCA Audio Interconnect Cable with Dual Twisted-Pair, Hyper-Flex Technology		$21.99
Kicker X-Series RCA Interconnect CableKicker X-Series RCA Interconnect Cable
19 ft. of 4-Channel X-Series RCA Cable with dual twisted-pair conductors, hyper-flex technology, and gold-plated k-cut collars for excellent signal transfer.		$36.99
StreetWires ZN9 Series Interconnect CableStreetWires ZN9 Series Interconnect Cable
16.4 ft. of 4-Channel RCA Cable with Rhodium-plated contacts and ZeroNoise construction for clear signal transfer!		$99.99
Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
 ProductPriceAdd?
StreetWires FB4StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing		$7.99
Kicker DB1448 (09DB1448) - Top of the Line!Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs		$18.99
Professional Installation for your Car Power AmplifierProfessional Installation for your Car Power Amplifier
Covers labor charges through our professional installer network.		$89.99
Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
 ProductPriceAdd?
AutoSound 2000 CD-104AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components		$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.		$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.		$12.99
Related products
e2 E1000 by Scosche
e2 1000W Single Amplifier Wiring Kit • 9.5mm Power/Ground (Equivalent in Strands to Most Other "4 Gauge" kits) • 17' Twisted Hex RCA Interconnect Cables • 17' Power and Ground
$34.99
in stock
More info

Product Summary

Manufacturer: Hifonics
Model number: ZXi6408
UPC: 806576214939
Weight: 11.00 lbs
Internal SKU: zxi6408
Internal product ID: 12206

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Customer Testimonial

Description was right on. Same day shipping, next day delivery. Great service. Just in time for Christmas, Will shop again. A++++++

- Annaliza from Santa Fe Springs, CA

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