Blaupunkt GTA 470 SF power amplifier

Enjoy lots of power and superb sound, all wrapped up in a tough-looking case that'll add some style to your car audio system. The Blaupunkt GTA 470 SF 4-channel car amplifier puts out 70 watts RMS per channel, great for driving two pairs of full-range speakers or components. In 2-channel mode, you can run two subwoofers with up to 200 watts RMS of power each. The high- and low-pass filters let you contour the sound to get maximum performance from your speakers or subs.

Product Highlights:

  • 4-channel car amplifier
  • 70 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms)
  • 200 watts RMS x 2 bridged (4-ohm stable in bridged mode)
  • adjustable low-pass filter (50-250 Hz)
  • switchable high-pass filter (80 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: 25A x 2
  • 17-3/4"W x 2-1/16"H x 7-13/16"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.

Hands-on research

What's in the box?

Download owner's manual

  • Four channel amplifier
  • Four 25-amp ATO fuses (2 installed/ 2 spare)
  • Four 3/4" 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 front and rear sections of the amp; continuously variable from 100 mV to 8 V

Crossover: the front and rear sections of the amp have independent crossover controls:

  • Mode: Low Pass, Flat (crossover is bypassed), High Pass (fixed at 80 Hz)
  • Low Pass Frequency: continuously variable from 50 to 250 Hz

Bass Boost: the front and rear sections of the amp also have independent bass boost conntrols; three position switches; 0, +6 dB, +12 dB; centered at 45 Hz

Connections

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

Remote Turn-on: screw terminal; 0.34" wide

Speaker Terminals: four pair of screw terminals; 0.34" wide

Line Level Input: two pair of stereo RCA jacks

Fuses: two 25-amp ATO fuses

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 open the box, verify contents, 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.

Blaupunkt GTA 470 SF Reviews

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blaupunkt GTA 470 SF 4 ch

Written By soteriosd, Camas,Wa. on Friday, March 29, 2013

Crutchfield Customer Review (What's this?)

My radio now sounds like I never installed an amplifier.

Crutchfield response on Tuesday, April 02, 2013 We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.

Get everything you’ll need to enjoy your new Blaupunkt GTA 470 SF

You'll need an amp wiring kit to install your new amplifier, as wiring is not included.
Bring the music from your amp to your speakers.
Patch cables take the music from your stereo to the amplifier. Most amp wiring kits don't include them.
For multi-amp systems, you'll need a separate fuse holder.
Helps protect your car's charging system and improves power handling. Required power and ground wires not included with cap.
The right tools will make the installation easier.
T-Spec 8PK Installation Kit

T-Spec 8PK Installation Kit

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Item #: 1208PK

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Rockford Fosgate RFK8i

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Rockford Fosgate RFK8

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Kicker PK8

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EFX PA8BX Wiring Kit

EFX PA8BX Wiring Kit

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Item #: 142PA8BX

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T-Spec 16-gauge Speaker Wire

T-Spec 16-gauge Speaker Wire

Black/white jacket — priced per foot

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T-Spec 12-gauge Speaker Wire

T-Spec 12-gauge Speaker Wire

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Stinger PRO Series Speaker Wire

Stinger PRO Series Speaker Wire

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T-Spec 4-Channel RCA Patch Cable

T-Spec 4-Channel RCA Patch Cable

17-foot length

Item #: 120RCA174

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T-Spec 2-Channel RCA Patch Cables

T-Spec 2-Channel RCA Patch Cables

Available in 7 different lengths (17-foot)

Item #: 120RCA172

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EFX 17-foot RCA Patch Cable

EFX 17-foot RCA Patch Cable

Item #: 142A17C

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EFX CFHG4 Fuse Holder

EFX CFHG4 Fuse Holder

In-line AGU fuse holder accepts 4- to 8-gauge wire

Item #: 142CFHG4

Rockford Fosgate RFFAGU Fuse Holder

Rockford Fosgate RFFAGU Fuse Holder

Platinum-plated AGU fuse holder
Fits 4- or 8-gauge cable

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T-Spec Capacitor

T-Spec Capacitor

1.5-farad capacitor with red LCD meter

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S&G Wire Cutter/Stripper Tool

S&G Wire Cutter/Stripper Tool

Cuts and strips 12- to 22-gauge wire

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Bojo Trim Panel Tools

Bojo Trim Panel Tools

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Pro.Fit Wire Worm

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Metra Crimp Tool and Connectors

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Skewdriver Pro SPK4042

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Bojo Trim Panel Tools

Bojo Trim Panel Tools

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