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SPL GRLA840/4

840W, 4-Channel Class A/B Gorilla Series Car Amplifier

3.5

(2 reviews)

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Specials with this product

  • Free Ground Shipping to the 48 statesdetails
  • Gorilla Series 4-Channel Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 80 watts x 4 chan.
    • 2 ohms: 95 watts x 4 chan.
    • Bridged, 4 ohms: 190 watts x 2 chan.
  • Max power output: 840 watts
  • MOSFET power supply
  • Pulse width modulation circuitry
  • Remote bass level input (remote level control sold separately)
  • LED power indicators
  • Bass Boost (0-18 dB bass boost at 45 Hz)
  • Tri-Mode capable
  • 4/3/2 channel operation
  • 2 Ohm stereo, 4 ohm mono stable
  • Preamp RCA outputs
  • 3-Way system protection circuitry (short, thermal and overload)
  • Gunmetal gray anodized finish with chrome accents
  • Heavy duty aluminum alloy heatsink
  • RCA level inputs
  • Screw terminals
  • Low level inputs (200mV-8V)
  • Variable high-pass filter (40-250 Hz, 12 dB/octave)
  • Variable low-pass filter (40-250 Hz, 12 dB/octave)
  • Frequency response: 10-30,000 Hz
  • Dimensions: 10"L x 8-1/4"W x 2-1/4"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.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Product History:
SPL GLA4-900 thumbnail
(newest, current model)
SPL GRLA840/4 thumbnail
(previous model, replaced by SPL GLA4-900)
Power Specifications - Full Range Channels
RMS Power @ 4 ohms80 watts x 4 channels
RMS Power @ 2 ohms95 watts x 4 channels
RMS Power @ 1 ohmNot Stable
Bridged RMS Power190 watts x 2 channels
Peak Power OutputN/A
Amplifier Specifications
Amplifier ClassAB
Number of Channels4
Total Peak Power Output840 watts
Total RMS Power Output380 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.02%
Speaker Level InputsNo
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-pass (HP)
Full (AP)
High-Pass Crossover Frequency50 - 500 Hz
Low-Pass Crossover Frequency30 - 250 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio97 dB
Channel SeparationN/A
Bass Boost0 - 12 dB
Bass/Gain RemoteNo
Fan CooledNo
Fuse Rating25A x 1 
CEA-2006 CompliantNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
Customer Review Summary for SPL GRLA840/4
Average Customer Rating is 3.5 out of 5 stars:
3.5
based on 2 Reviews
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Rating Distribution:
5 star:
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50%
4 star:
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0%
3 star:
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0%
2 star:
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50%
1 star:
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0%
what's this?
Average Attributes Rating:
Durability
3.0
Value
4.5
Features
3.5
Design
3.5
Usability
3.5
what's this?
Quick Comparison:
Most helpful favorable review vs. Most helpful critical review
Most Helpful Customer Reviews:
May 17, 2012 excellent value for the money
Review by
bubba j from nashville,tenn
Overall
Durability
Value
Features
Design
Usability
I love this amp. It has guts, power and it can push more than stated. I had it pushing 10 speakers: 2-6x9, 2-5x7, 6-Pyle Plus 1" dome tweeters. I have not had any problem with this amp at all. It does not even get hot. I highly recommend this product. The SPL-GRLA840/4 sounds great.
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March 22, 2012 It's ok
Review by
got8 12s from Jackson, TN
Overall
Durability
Value
Features
Design
Usability
It's great till it overheats. I sent mine back. Doesn't push the power it claims!
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Amplifier Wiring Kits
Get the wires you need to properly install and power your car amp.
 ProductPriceAdd?
Monster Cable BAP300Monster Cable BAP300
8 Gauge Amplifier Installation Power Kit (No RCA Interconnects)		$40.00
Kicker DCK8Kicker DCK8
8 Gauge Amplifier Installation Kit with RCA Interconnect Cable		$49.99
Bass Remote Control
Control the volume level of your bass and amplifier from the front of the vehicle.
 ProductPriceAdd?
Universal Remote Level Bass ControlUniversal Remote Level Bass Control
Controls bass level and frequency via RCA/Interconnect connectors on any amp.		$14.99
Small Universal Remote Level Bass ControlSmall Universal Remote Level Bass Control
The Scosche RLC is a smaller universal bass remote that connects via RCA inputs.		$12.99
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		$24.49
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 Z-Series RCA Interconnect CableKicker Z-Series RCA Interconnect Cable
19 ft. of 4-Channel RCA cable with dual twisted-pair conductors, hyper-flex technology, and gold plated contacts for maximum signal transfer!		$23.99
StreetWires ZN7 RCA Interconnect CableStreetWires ZN7 RCA Interconnect Cable
16.4 ft. of 4-Channel RCA Cable with hyper twist construction, oxygen free copper, and precision machined tips.		$49.99
Capacitors
Capacitors store energy for the amplifier to use on demand, thereby assisting in the elimination of dimming lights during peak power surges during use.
 ProductPriceAdd?
Raptor C1F ** SPECIAL PRICE **Raptor C1F ** SPECIAL PRICE **
True 1.0 Farad Car Audio Capacitor for up to 1000W Max		$34.99
e2 ECAP1 by Scosche - Mid-Level 1 Farade2 ECAP1 by Scosche - Mid-Level 1 Farad
Digital 1.0 Farad Car Audio Capacitor for up to 1000W Max		$45.99
Rockford Fosgate RFC1D - Top of the Line 1 FaradRockford Fosgate RFC1D - Top of the Line 1 Farad
Digital 1.0 Farad Car Audio Capacitor for up to 1000W Max		$104.99
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 FB8StreetWires FB8
8 Gauge Firewall Bushing		$4.99
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
Main Product
 ProductPriceAdd?
SPL GRLA840/4SPL GRLA840/4$69.99

Product Summary

Manufacturer: SPL
Model number: GRLA840/4
UPC: 709483031050
Weight: 6.80 lbs
Internal SKU: grla8404
Internal product ID: 37254

Price Information

$159.95

–$89.96

$69.99

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