Pioneer DEH-S420BT CD Radio Bluetooth Spotify USB AUX iPhone Car Stereo
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The Pioneer DEH-S420BT is a single-DIN CD car stereo with Bluetooth hands-free calling and audio streaming, USB, Spotify, front Aux-In and Pioneer Smart Sync app support for iPhone and Android. It features a 13-band graphic EQ, FLAC playback and a MOSFET 50W x 4 amplifier.
For 3 RCA pre-outs and multi-colour illumination, see the DEH-S520BT.
Key specifications
- Installation: 1-DIN
- Bluetooth: hands-free calling, audio streaming, 2 phones connected simultaneously
- Sources: CD, USB, front Aux-In
- Smartphone: Pioneer Smart Sync app and Spotify (iPhone / Android)
- Audio: 13-band graphic EQ, FLAC playback
- Amplifier: MOSFET 50W x 4
- RCA pre-outs: 2 (front, rear or subwoofer)
- Front panel: anti-theft detachable
- Accessories: external Bluetooth microphone, protective case for front panel
- Menu languages: English, German, French, Turkish, Russian
Smartphone connectivity and Bluetooth
Bluetooth lets you make hands-free calls and stream music wirelessly from your phone. You can connect two Bluetooth phones at the same time. Pioneer's Advanced Sound Retriever technology helps maintain audio quality close to the original recording.
Connect your iPhone or Android smartphone via Bluetooth to use Spotify (free and premium) or the Pioneer Smart Sync app. If you're after a mechless alternative, the Pioneer MVH-330DAB offers similar smartphone connectivity without a CD drive.
Audio performance
The DEH-S420BT reads FLAC, MP3, WMA, WAV and AAC files via USB. The 13-band graphic EQ and MOSFET 50W x 4 amplifier give you solid control over your sound. Two RCA pre-outs let you connect external amplifiers or subwoofers for added flexibility.
- Bluetooth
- Pioneer Smart Sync app: iPhone / Android
- Spotify: iPhone / Android (free and premium)
- Anti-theft detachable front panel
- USB playback: MP3, WMA, WAV, FLAC, AAC
- Front Aux-In for other audio sources
- Installation: 1-DIN
- Accessories: external Bluetooth microphone, protective case for front panel
- Menu languages: English, German, French, Turkish, Russian
- Karaoke function
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Specification
| Screen | Features |
|---|---|
| Display | Illumination Wide angle VA LCD Display (1 line) |
More specs
| |
What's Included
- DEH-S420BT
- ISO Loom
- Release Keys
Pioneer
About the Pioneer DEH-S420BT
From our tech experts at CEN
A head unit with a disc mechanism, replacing the factory stereo.
Who it suits
Drivers who want reliable Bluetooth, USB and radio without a large screen — older vehicles, work vans and classics where a modern display would look wrong. The disc mechanism still matters to plenty of people, and fewer units offer it every year.
Our tech experts advise
The unit is the straightforward part. A vehicle-specific facia kit, a wiring harness and usually a steering wheel control interface decide whether the finished job looks factory or aftermarket, and those parts differ by model, year and trim. We confirm exactly what your vehicle needs before ordering — get in touch. See car stereo installation.
Explore the full Pioneer range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Pioneer
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Frequently Asked Questions
Q: Will this stereo fit my car?
A: Most vehicles need a fascia panel, wiring harness and sometimes a steering wheel control interface to fit a new stereo. Contact CEN with your make, model and year and we will confirm the exact installation kit needed, or browse our Connects 2 installation kits.
Q: Will I keep my steering wheel controls?
A: Yes, in almost all cases. A steering wheel control interface retains your existing buttons with the new stereo. Parts are sold separately.
Q: Does this stereo support Apple CarPlay or Android Auto?
A: Check the Specification tab, which lists smartphone connectivity for each model including whether CarPlay and Android Auto are wired or wireless on that unit.
Q: What is the difference between single DIN and double DIN?
A: DIN refers to the chassis size. Single DIN units are the traditional slim format, while double DIN units are twice the height and typically carry a touchscreen. Your vehicle's dash aperture and fascia kit determine which fits.
Q: Can CEN supply and fit the stereo?
A: Yes. CEN offers professional supply and installation from our Nottingham premises, including fascia, wiring and steering control integration. Contact us for a fitted price.
Q: Can I connect two phones to the DEH-S420BT?
A: Yes. The DEH-S420BT supports two phones connected full time over Bluetooth, with automatic phone book transfer and wide band speech hands-free calling.
Q: Does the DEH-S420BT work with iPhone?
A: Yes. The DEH-S420BT is compatible with iPhone and Android, with Spotify and the Pioneer Smart Sync app supported on both.
Q: How many RCA pre-outs does the DEH-S420BT have?
A: It has 2 (front, rear or subwoofer), so you can add an amplifier or subwoofer.
