The RetroSound® Grand Prix perfectly compliments the interior styling of the 1980s Mercedes, BMW, & Porsche vehicles while updating the audio technology to today's standards. The unique design of the Grand Prix features authentic paddle-style controls along with low profile push-buttons and a 32,000 color digital display. The Grand Prix is the perfect solution for updating the audio in your classic Mercedes, BMW, or Porsche while maintaining the original style of the factory electronics. A new Din Kit (#296) is included for an easy installation and factory-like fit.
The Grand Prix is available with your choice of 3 different feature sets:
Motor 4HD
- HD Radio® Technology
- SiriusXM-Ready® (SXV300V1 tuner sold separately)
- Built-in Bluetooth® (Version 5.0)
- Includes Bluetooth® microphone for hands-free calls
- Made for iPod®/iPhone®
- AM/FM RDS tuner with 30 presets
- Selectable tuner frequencies USA/EUR/AUS/JAP/RUS
- Auxiliary input for portable devices
- Two USB ports for flash drives and other devices
- 2.1-amp device charging via USB
- Built-in 300-watt (peak power) Mosfet amplifier
- 25 watts RMS x 4 channels – TrueRating™
- Dual RCA pre-outs for external amplifiers
- Dedicated subwoofer output
- 32,000 color display
- Non-volatile memory
- 2-Year Warranty
- Assembly is required
$60 SXM Service Card - when you purchase and activate your RetroSound® Radio with SXV300V1 SirusXM® Tuner
Plan options:
- 12/$99 – 12 months of the Platinum Plan for $8.25/month
- 12/$60 – 12 months of the Music & Entertainment Plan for$5/month
Motor 2B
- Built-in Bluetooth® (Version 5.0)
- Includes Bluetooth® microphone for hands-free calls
- Made for iPod®/iPhone®
- AM/FM RDS tuner with 30 presets
- Selectable tuner frequencies USA/EUR/AUS/JAP/RUS
- USB port for flash drives and other devices
- 2.1-amp device charging via USB
- Built-in 300-watt (peak power) Mosfet amplifier
- 25 watts RMS x 4 channels – TrueRating™
- Dual RCA pre-outs for external amplifiers
- Dedicated subwoofer output
- 32,000 color display
- Non-volatile memory
- 1-Year Warranty
- Assembly is required
Motor 1B
- Built-in Bluetooth® (Version 5.0)
- Includes Bluetooth® microphone for hands-free calls
- AM/FM RDS tuner with 30 presets
- Selectable tuner frequencies USA/EUR/AUS/JAP/RUS
- Auxiliary input for portable devices
- Built-in 275-watt (peak power) Mosfet amplifier
- 18 watts RMS x 4 channels – TrueRating™
- Non-volatile memory
- 1-Year Warranty
- Assembly is required
Retro Manufacturing radios are a modular design. Assembly is required. This design allows for a more adjustable fit and to offer different style options. RetroSound Radios are only compatible with 12V negative grounding vehicles.
Note: Bezels, knobs, faceplates, and replacement parts are non-returnable. Please refer to product packaging for the most up to date country of origin. If you are not sure as to fitment, please contact us.

Motor 1B | Motor 2B | Motor 4HD | |
FM | |||
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Tuning Range (USA, EUR, AUS, JAP, RUS tuning capable) with RDS | 87.5-107.9MHz | 87.5-107.9MHz | 87.5-107.9MHz |
Antenna Terminal | External Antenna Connector | External Antenna Connector | External Antenna Connector |
Usable Sensitivity | 12.5 dBf | 12.5 dBf | 12.5 dBf |
Selectivity | 75 dB @ 400kHz | 75 dB @ 400kHz | 75 dB @ 400kHz |
Signal to Noise Ratio | 62 dB (Stereo), 67 dB (mono) | 62 dB (Stereo), 67 dB (mono) | 62 dB (Stereo), 67 dB (mono) |
Harmonic Distortion @ 1 kHz | 0.8% (stereo), 0.5% (mono) | 0.8% (stereo), 0.5% (mono) | 0.8% (stereo), 0.5% (mono) |
Separation | 32 dB @ 1kHz | 32 dB @ 1kHz | 32 dB @ 1kHz |
Frequency Response | 30-16,000 Hz | 30-16,000 Hz | 30-16,000 Hz |
AM (EU and US Tuning Capable) | |||
Tuning Range (USA, EUR, AUS, JAP, RUS tuning capable) | 530-1710 kHz | 530-1710 kHz | 530-1710 kHz |
Antenna Terminal | External Antenna Connector | External Antenna Connector | External Antenna Connector |
General | |||
Dimensions (radio face & push-buttons only) | 3.5”W x 1.5” H x 1.05” D | - | - |
Dimensions (radio body) | 3.96”W x 1.98”H x 4.30”D | 3.96”W x 1.98”H x 4.30”D | 3.96”W x 1.98”H x 4.30”D |
Power Requirements | 11.5-14.4 volts | 10.5-14.4 volts | 10.5-14.4 volts |
Current Consumption (during operation) | Max. 15A | Max. 15A | Max. 15A |
Current Consumption (car off) | |||
Output Power (@ 14.4 volts @ 4 ohm @ 1% THD) | 18x4 watts RMS 40x4 Max Power | 25x4 watts RMS 45x4 watts Max Power | 25x4 watts RMS 45x4 watts Max Power |
Output Impedance | 4-8ohm | 4-8ohm | 4ohm |
AUX 1 Input (AUX cable length, 8”) | >300 mV / 6 kΩ | >300 mV / 6 kΩ | >300 mV / 6 kΩ |
AUX 2 Input (aux cable length, 8”) | - | >300 mV / 6 kΩ | >300 mV / 6 kΩ |
USB 1 Input (USB cable length, 16”) | - | 5V (USB female input) | 5V (USB female input) |
USB 2 Input | - | - | 5V (USB female input) |
Low Level Output (4 channels) | - | 2.85 volts | 2.85 volts |
EROM | - | Non-Volatile Memory | Non-Volatile Memory |
Motor 1B | Motor 2B | Motor 4HD | Motor 6 | |
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Compatible Faces |
Apache |
Daytona |
Daytona |
Daytona Denver Detroit Huntington Monterey Newport New York Redondo RS RetroRadio Face Santa Cruz Wonder Bar 1 & 3 |
Selectable 12/24 Hour Clock | ![]() |
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Selectable Tuner with USA/EU/Japan Frequencies | ![]() |
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Clock-Off Feature | ![]() |
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Built-in Bluetooth®Allows connection to Bluetooth devices. Using the radio as a hands-free device for phones and allowing playback from a device through the radio speaker system. | ![]() |
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Front and Rear RCA Low Level Pre-amp Outputs | ![]() |
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Non-Volatile MemoryRadio has a memory chip that stores station presets, sound settings and other radio settings even if power is removed from the radio. This will not store time. | ![]() |
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Subwoofer Output with Variable Crossover | ![]() |
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Made for iPod® / iPhone®Reads directly from an Apple device. | ![]() |
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AM/FM RDS Tuner with 30 Pre-setsRDS (Radio Data Systems) Sends data from the radio station to the radio. Everything from auto setting your radios clock displaying station, artist and song information. Other RDS features include searching by music genres, Traffic warning and other information sent by a radio station. | ![]() |
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USB Port for WMA/MP3 Music FilesUSB inputs allow playback from a flash drive with MP3/FLAC or WMA music files. Select models will interface with an Apple device. | ![]() |
1 | 2 | 2 |
Auxiliary InputsUses a 3.5mm input style jack to play audio from an external device | 1 | 0 | 2 | 2 |
DisplayRadio display color. Certain models have adjustable RGB display. | White | 32,000 Color Display | 32,000 Color Display | 32,000 Color Display |
Power OutputPower rating. RMS is the power it can deliver continuously. | 18 watts x 4 | 25 watts x 4 | 25 watts x 4 | 25 watts x 4 |
SiriusXM-Ready®SiriusXM® SXV300 Tuner Sold Separately | ![]() |
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North America Only | ![]() |
Built-in DAB/DAB+ Tuner | ![]() |
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Outside North America |