Blaupunkt GTA 4 Special amplifier

Enjoy lots of power and superb sound, all wrapped up in a sleek case that'll inject some style into your car audio system. Blaupunkt's GTA 4 Special 4-channel car amplifier dishes out 60 watts RMS per channel, a good choice for driving two pairs of full-range speakers or components. Switch this amp over to 2-channel mode, and you can run a pair of subwoofers with up to 160 watts RMS of power each. You can adjust the built-in frequency filters to get the most out of your speakers, while the bass boost will kick up the lows when the craving for bass strikes you.

Product Highlights:

  • 4-channel car amplifier
  • 60 watts RMS x 4 at 4 ohms (85 watts RMS x 4 at 2 ohms)
  • 160 watts RMS x 2 bridged (4-ohm stable in bridged mode)
  • adjustable high- and low-pass filters (50-250 Hz)
  • selectable bass boost (0, 6, 12 dB at 60 Hz)
  • preamp inputs
  • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • fuse rating: 40A x 1
  • 14"W x 2-1/4"H x 9-11/16"D
  • warranty: none (Crutchfield's 60-day satisfaction guarantee applies)
  • Our 60-day money-back guarantee

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Blaupunkt GTA 4 Special Reviews

Average Customer Review:

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GTA 4 Blaupunkt

Written By Anonymous, Ny on Saturday, December 22, 2012

Crutchfield Customer Review (What's this?)

Great sound great price shame the company is no more. As to quality I have a blaupunkt AM/FM 8 track car deck from the 70's it still works great so I am expecting good things longevity wise.

Pros: Great gear great sound

Cons: Directions for installation are a littlelight.

Blaupunkt GTA 4 Special

Written By patrick, Central point, OR on Thursday, December 13, 2012

Crutchfield Customer Review (What's this?)

Easy install, lots of power and very low sound distortion. This is a great buy and Crutchfield is the best support you can get. Thank you Crutchfield.

Pros: Easy install, Solid unit, great price and support

Cons: none at this time.

Hands-on research

What's in the box?

Download owner's manual

  • Four channel amplifier
  • One 40-amp ATO fuse (installed)
  • Four 5/8" Self-tapping screws
  • Owner's manual (English/ German/ French/ Spanish/ 18 other languages)

Product Research

Controls
Connections

Controls

Level Control: independent rotary gain controls for the two sections of the amp (labeled Ch 1/2and Ch 3/4); continuously variable from 300 mV to 8 V

Ch 1/2 Crossover:

  • Mode: Full (crossover is bypassed), High Pass
  • Frequency: continuously variable from 50 to 250 Hz

Ch 3/4 Crossover:

  • Mode: Low Pass, Full (crossover is bypassed), High Pass
  • Frequency: continuously variable from 50 to 250 Hz

Bass Boost: three position switch; 0, +6 dB, +12 dB; centered at 60 Hz (applied to Ch 3/4 only)

Connections

Power/Ground: screw terminals; 0.5" wide, 8 gauge wire recommended

Remote Turn-on: screw terminal; 0.35" wide

Speaker Terminals: four pair of screw terminals; 0.35" wide

Line Level Input: two pair of stereo RCA jacks

Fuse: one 40-amp ATO fuse

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.