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Blaupunkt THA475 PnP (THA475PnP)

150W Max, THA Plug-n-Play Series 4-Channel Class D Amplifier (THA 475 PnP, THA 475PnP)

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Finally, the perfect solution for improving the sound on stock car audio systems simply, quickly, and without violating your lease agreement. Blaupunkt’s THA plug and play amplifiers install in over 2000 car models in under fifteen minutes with absolutely no crimping, splicing, soldering, or hassle of any kind. Plus, they come out as easily as they go in – making it simple to return your car to stock form at the end of a lease. Blaupunkt’s complete range of over 40 vehicle-specific wiring harness adapters supply every connection necessary, including power*, with a simple plug – and they work with nearly any car, including those with complicated bus systems that eliminate the possibility of installing conventional amplifiers. The THA amplifiers are cool-running class ‘D’ designs that are 65 % smaller than the competition, and install almost anywhere – including tight spaces behind the dash or under the front seats. These amplifiers are simply the only solution for improving stock systems in today’s world of complicated car electronics and leased vehicles.


For vehicle specific installs to factory (OEM) systems, you will need a compatible Blaupunkt vehicle specific T-harness and an extension cable.

  • THA Plug-n-Play Series 4-Channel Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 75 watts x 4 chan.
    • 2 ohms: 85 watts x 4 chan.
    • Bridged, 4 ohms: 180 watts x 2 chan.
  • Max power output: 150 watts x 4 chan.
  • Wired remote bass level control included
  • LED power indicators
  • Tuned Bass EQ (0-12 dB bass boost)
  • 4/3/2 channel operation
  • Speaker-level inputs
  • Preamp RCA outputs
  • Direct AUX input for secondary sources like MP3 players or DVD players. Especially significant if you do not have AUX input on your in-dash receiver.
  • Variable high-pass filter (50-250 Hz, 24 dB/octave)
  • Variable low-pass filter (10-250 Hz, 12 dB/octave)
  • Frequency response: 10-30000 Hz
  • Efficiency: 95 dB
  • Dimensions: 11-1/4"L x 6-1/4"W x 1-1/2"H
  • 10-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
Power Specifications - Full Range Channels
RMS Power @ 4 ohms75 watts x 4 channels
RMS Power @ 2 ohms85 watts x 4 channels
RMS Power @ 1 ohmNot Stable
Bridged RMS Power180 watts x 2 channels
Peak Power Output150 watts x 4 channels
Amplifier Specifications
Amplifier ClassD
Number of Channels4
Total Peak Power Output600 watts
Total RMS Power Output360 watts
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power.05%
Speaker Level InputsYes
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency50 - 250 Hz
Low-Pass Crossover Frequency10 - 250 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio95 dB
Channel SeparationN/A
Bass Boost0 - 12 dB
Bass/Gain RemoteYes
Fan CooledNo
Fuse Rating30A 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?
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
$47.99
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 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!
$24.99
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
$31.99
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
$43.99
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

Product Summary

Manufacturer: Blaupunkt
Model number: THA475PnP
UPC: 028851930321
Weight: 12.00 lbs
Internal SKU: tha475pnp
Internal product ID: 9715
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