





RetroSound Faceplate Chrome Black Pebbled Inserts with Knob Sets for RetroRadio
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The RetroSound 308-409-39-78 is a chrome faceplate with black pebbled inserts and a 39-78 knob set, designed to give a RetroSound RetroRadio a factory-correct finish matching the original trim of a classic Porsche.
The faceplate is also available without knobs.
Key specifications
- Faceplate: chrome plastic (308)
- Inserts: black pebbled plastic (409)
- Knobs: 39-78 set — two front and two rear, black and chrome finish
- Brackets: 2x metal brackets (292)
- Style: matches the original trim of classic Porsche models
- Compatible with RetroSound RetroRadio units
Chrome faceplate with black pebbled inserts and knob set
A matching faceplate and knob set for your RetroSound RetroRadio, designed to restore a factory-correct look in a classic Porsche interior.
- Chrome faceplate with black pebbled inserts (308-409)
- Includes two front and two rear knobs in black and chrome (39-78)
- Black front knobs, chrome rear knobs
- Complements the original trim of classic Porsche interiors
Prefer pinstripe inserts? See the RetroSound 308-509-39-78.
Explore the full range in Installation Kits.
Specification
| Type | Installation Kit |
|---|---|
| Series | Build Your Own |
| Article Number | 308-409-39-78 |
| Country of Manufacture | China |
More specs
| |
What's Included
- Chrome plastic faceplate 308
- Pebbled plastic inserts 409
- Black and Chrome Knob Sets — 39-78
- 2x Metal brackets 292
RetroSound
About the RetroSound 308-409-39-78
From our tech experts at CEN
A replacement knob set for RetroSound radios, in chrome, black or ivory so the radio can be matched to the dash it sits in.
Who it suits
Classic car owners who want the radio to look as though it belongs in the car. A 1960s dash, a 1970s interior and an 1980s cabin all want different trim, which is exactly why these are sold separately.
Our tech experts advise
Knob sets are specific to particular RetroSound models and shaft types, so confirm which unit you have before ordering. get in touch. See car stereo installation.
Explore the full RetroSound range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all RetroSound
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Compare - RetroSound® Radio Motors Feature Sets
Choose a Radio Motor to select the radio features that matter most for your classic vehicle.
Motor 1
- Built-in Bluetooth®
- Power Output 4×18w RMS
- Fixed White Display
- Auxiliary Inputs
- 1 Year Warranty
Motor 1 DAB
- Built-in Bluetooth®
- Built-in DAB/DAB+ Tuner
- Power Output 4×18w RMS
- Fixed White Display
- Auxiliary Inputs
- 1 Year Warranty
Motor 2
- Built-in Bluetooth®
- Power Output 4x25w RMS
- Adjustable Colour display
- 2.1A Charging via USB
- USB Port
- Dual RCA pre-outs
- Dedicated subwoofer output
- 1 Year Warranty
Motor 6
- Built-in Bluetooth®
- Built-in DAB/DAB+ Tuner
- Power Output 4×25w RMS
- Adjustable Colour Display
- Two USB Ports
- 2.1A Charging via USB
- Auxiliary Inputs
- Dual RCA pre-outs
- Dedicated subwoofer output
- 2 Year Warranty
Frequently Asked Questions
Q: Does the 308-409-39-78 include a radio?
A: No. This is a faceplate kit only. The RetroSound radio motor and radio face are sold separately.
Q: Which cars is the 308-409 faceplate designed for?
A: It is designed to match the original trim of classic Porsche models.
Q: What is in the box with the RetroSound 308-409-39-78?
A: A chrome plastic faceplate (308), pebbled plastic inserts (409), a 39-78 black and chrome knob set and two metal brackets (292).

















































