

Pioneer MVH-S120UI Car Stereo Front USB MP3 AUX FM Radio Red Display
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The Pioneer MVH-S120UI is a mechless single-DIN car stereo with a red display, front USB port and front aux-in. It supports MP3, WMA, WAV and FLAC playback, includes a MOSFET 50W x 4 amplifier, and fits short-chassis installations. It is part of Pioneer's mechless stereo range.
Key specifications
- Installation: 1-DIN, short chassis, Mechafree
- Inputs: front USB and front aux-in
- Formats: MP3, WMA, WAV and FLAC via USB
- Radio: RDS FM
- Amplifier: MOSFET 50W x 4
- Sound: 5-band graphic EQ, high and low pass filters
- Outputs: 1 RCA pre-out (rear or subwoofer)
- Display: red illumination, 1-line VA LCD
- Anti-theft detachable front panel with protective case
About the Pioneer MVH-S120UI
The MVH-S120UI is a 1-DIN mechless receiver with red illumination, designed for digital music playback. It connects directly to Android smartphones (Android 5.0–7.1.2 with AOA 2.0 support) and other devices via the front USB or aux-in, allowing you to listen to stored music while charging your device.
The built-in MOSFET 50W x 4 amplifier delivers solid output, and the single RCA pre-out at the rear allows you to add an external amplifier, additional speakers or a subwoofer. If you need DAB radio or Bluetooth, the Pioneer MVH-330DAB is a step-up mechless alternative.
Pioneer ARC app
The Pioneer Advanced Remote Control (ARC) app turns a compatible iPhone or Android smartphone into a touchscreen remote, letting you manage and customise your stereo's features.
- Android compatibility: Listen to music stored on your Android device without an additional app.
- USB input: Plug in, charge and play music from a USB device. No video playback.
- 5-band graphic EQ: Fine-tune audio output to suit your preferences.
- FLAC playback: Play lossless FLAC files at CD quality without conversion.
- Mechafree: No disc drive — built for modern digital music formats.
- Short chassis: Shallow depth for easy, flexible installation.
- Anti-theft detachable panel: Remove the front panel when leaving the vehicle to deter theft.
Explore the full range in Pioneer Car Stereos.
Specification
| Screen | Features |
|---|---|
| Display | Illumination Wide angle VA LCD Display (1 line) |
More specs
| |
What's Included
- MVH-S120UI
- Cage
- Trim ring
- Wiring harness
- 2 Extraction keys
- Quick Start Guide
- Warranty Information
Pioneer
About the Pioneer MVH-S120UI
From our tech experts at CEN
The Pioneer MVH-S120UI is a mechless single-DIN car stereo with a red display, front USB port and front aux-in. It plays MP3, WMA, WAV and FLAC files from USB, receives RDS FM radio, and includes a MOSFET 50W x 4 amplifier. There is no disc drive, no Bluetooth and no DAB.
Who it suits
This suits drivers who play music from USB drives or connected devices and have no need for Bluetooth or DAB. It is a practical choice for short-chassis dashboards. For Bluetooth and DAB, the Pioneer MVH-S420DAB is a direct step up.
Our tech experts advise
The short-chassis design fits in vehicles where a standard-depth stereo will not, so check your DIN pocket depth before ordering. Android smartphones running Android 5.0–7.1.2 with AOA 2.0 connect via the front USB for playback and charging. The single RCA pre-out allows you to add an external amplifier or subwoofer later. Fitting cost varies by vehicle — visit our Nottingham installation page for details.
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: Does the MVH-S120UI have Bluetooth?
A: No. The MVH-S120UI connects via its front USB port and front aux-in. For Bluetooth calling and streaming in a similar 1-DIN unit, see our Pioneer MVH-S420BT.
Q: Which Android phones work with the MVH-S120UI over USB?
A: Android smartphones need Android 5.0 or later, up to 7.1.2, and must support AOA (Android Open Accessory) 2.0.
Q: What is in the box with the MVH-S120UI?
A: The MVH-S120UI head unit, cage, trim ring, wiring harness, 2 extraction keys, a quick start guide and warranty information. A protective case for the front panel is also listed as an accessory.




























