Garage
Shop

JBL GTO755.6II

6-Channel Amplifier GTO755.6 II

JBL
Shop all JBL
Product videos
highlight-star-icon

Grand Touring Series 6-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 80W x 4 chan. @ 2 Ohm • 160W x 2 chan. @ 4 Ohm • MOSFET power supply • DC, overload, low-voltage, overheat, and short circuit protection

Learn more about the gto7556ii

We apologize

This item has been discontinued

Product Highlights


Grand Touring Series 6-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 80W x 4 chan. @ 2 Ohm • 160W x 2 chan. @ 4 Ohm • MOSFET power supply • DC, overload, low-voltage, overheat, and short circuit protection

Description


JBL brand icon

Authorized dealer

  • Grand Touring Series 6-Channel Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohm: 60 watts x 4 chan.
    • 2 ohm: 80 watts x 4 chan.
    • Bridged, 4 ohm: 160 watts x 2 chan.
  • Max power output: 117 watts (channels 1-4), 163 watts (channels 5,6)
  • Full MOSFET power supply
  • Remote bass level input (remote level control sold separately)
  • LED power and protection indicators
  • DC, overload, low-voltage, overheat, and short circuit protection
  • Tuned Bass EQ (0-12 dB bass boost)
  • Speaker-level inputs
  • 3 pairs RCA outputs (front, rear, and subwoofer)
  • Gold-plated screw terminals
  • Variable low-pass filter (32-320 Hz, 24 dB/octave)
  • Variable high-pass filter (32-320 Hz, 24 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 10-47,000 Hz (channels 1-4), 10-302Hz (channels 5,6)
  • Dimensions: 18-11/16" L x 12-5/16" W x 2-3/8" H
  • 8-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together.
  • 1-year SonicElectronix.com warranty

Best selling similar products

VAD11005v2 small

NVX VAD11005 v2 (VAD11005v2)

• 80 watts x 4 channel + 350 watts x 1 channel @ 4 ohm
• 125 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

(46)

$349.99

List price $419.99

NDA11005 small

NVX NDA11005

• 100 watts x 4 channel + 315 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

(9)

$259.99

List price $323.99

MVPA6 small

NVX MVPA6

• 100 watts x 6 channel @ 4 ohm
• 150 watts x 6 channel @ 2 ohm
• Bridged: 300 watts x 3 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Amplifier

(7)

$319.99

List price $383.99

LC-5.1300 small

AudioControl LC-5.1300

• 100 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 200 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1300 watts
• Class D 2 ohm Stable 5-Channel Amplifier

(2)

$660.00

List price $1369.00

HDP-D90 small

Alpine Status HDP-D90

• 50 watts x 8 channel + 80 watts x 4 channel @ 4 ohm
• Total RMS Power: 720 watts
• Class D 4 ohm Stable 12-Channel Digital Sound Processor Amplifier
• High-resolution (Hi-Res) audio playback
• Selectable pre-configured sound system configurations
• Embedded RTA signals for customized sound tuning
• Bluetooth audio streaming with included external module

(1)

$1999.95

List price $3480.00

EPICFIVE small

AudioControl EPICFIVE

• 75 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• 700 watts x 1 channel @ 1 ohm (subwoofer output)
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 1100 watts
• Class D 1 ohm Stable 5-Channel Amplifier

(2)

$259.00

List price $259.00

MICRO85U small

Diamond Audio MICRO85U

• + @ 4 ohm
• 85 watts x 1 channel + 375 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm + 375 watts x 1 channel @ 2 ohm
• Total RMS Power: 1035 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier

$659.99

List price $719.99

46CXA6605t small

Kicker CXA660.5T (46CXA6605T)

• 65 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 660 watts
• Class A/B 2 ohm Stable 5-Channel Amplifier

$449.99

List price $479.99

XQA16005 small

NVX XQA16005

• 125 watts x 4 channel + 300W x1 @ 4 ohm
• 200 watts x 4 channel + 500W x 1 @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm + 800W @ 1 ohm
• Total RMS Power: 1600 watts
• Class D 1 ohm Stable 5-Channel Amplifier

(2)

$449.99

List price $719.99

RD900/5 small

JL Audio RD900/5

• 70 watts x 4 channel + 225 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 5-Channel Amplifier

(4)

$679.99

List price $679.99

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
60 watts x 4 channel
RMS Power @ 2 ohms
80 watts x 4 channel
Bridged RMS Power
160 watts x 2 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
6-Channel
Total RMS Power Output
320 watts
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
32 - 320 Hz
Low-Pass Crossover Frequency
32 - 320 Hz
Signal-to-Noise Ratio
79 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
30A x 2 

Item Details


Manufacturer:

JBL

Model Number:

GTO755.6II

Weight:

18.00lbs

Internal SKU:

gto7556ii

Internal Product ID:

8315

Product and How-to Videos


  • Harman International: The Pursuit of Great Sound
  • How To Install an Amplifier: Car Amplifier Basics Part 2

Customer Ratings & Reviews


JBL GTO755.6II thumbnail image

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



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


FV-10VSB1 small

Panasonic FV-10VSB1

WhisperValue Ventilation Fan

$249.99

List price $488.00

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
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.