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The RetroSound Monza Motor 1B (MNZ-M1B) is an all-black, single DIN classic car stereo with Bluetooth 5.0, an AM/FM RDS tuner and an 18W RMS x 4 MOSFET amplifier, from RetroSound's DIN Solutions range.
Key specifications
- Model: MNZ-M1B (Monza face, Motor 1B)
- Tuner: AM/FM RDS with 30 presets
- Bluetooth: version 5.0, microphone included
- Amplifier: 18W RMS x 4, 275W peak MOSFET
- Inputs: 1 rear-mounted auxiliary input
- Display: white
- Fit: factory single DIN openings
- Power: 11.5 to 14.4V, 12V negative ground vehicles only
RetroSound Monza MNZ-M1B
The Monza face brings understated European styling to the RetroSound DIN Solutions lineup, designed for classic vehicles with factory single DIN openings. Inspired by the dashboards of vintage BMW, Jaguar, Mercedes-Benz and MGB interiors, the Monza delivers a period-correct appearance with modern audio capability.
Its fully blacked-out face, low-profile push-buttons and minimalist layout blend naturally into classic interiors. Two knob styles are included so owners can tailor the look to suit their vehicle.
The Motor 1B is the entry-level unit in the range. It includes an AM/FM RDS tuner with 30 presets, a built-in 275W peak (18W RMS x 4) MOSFET amplifier, Bluetooth 5.0 for hands-free calling and audio streaming, and a rear-mounted auxiliary input. It has no DAB, USB or pre-outs. If you need DAB and additional connectivity, the RetroSound range is also available with the Europa Motor 4 DAB.
- Built-in Bluetooth 5.0
- Bluetooth microphone included for hands-free calls
- AM/FM RDS tuner with 30 presets
- Selectable tuner frequencies: USA / EUR / AUS / JAP / RUS
- Rear-mounted auxiliary input for portable devices
- 275W peak MOSFET amplifier, 18W RMS x 4 channels — TrueRating™
- Non-volatile memory
- 1-year warranty
- Assembly required
RetroSound radios use a modular design that requires assembly. This allows for an adjustable fit and multiple style options. Compatible with 12V negative ground vehicles only.
Explore the full range in Retro Car Radios.
Specification
| Dimensions | (radio body) 3.96”W x 1.98”H x 4.30”D |
|---|---|
More specs
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What's Included
- Monza Radio Face
- Motor 1B
- Mounting Brackets
- Bolts, Screws & Washers
- Backstrap
- Microphone
- Main Wiring Harness
- Speaker Harness
- Power Harness
- Large Plastic Spacer
- Cupped Plastic Spacer
RetroSound
About the RetroSound MNZ-M1B
From our tech experts at CEN
A classic-style car radio, with modern electronics behind a period face — Bluetooth streaming and hands-free.
Who it suits
Classic and modern classic owners who want to stream music and take calls without a modern screen ruining the dash. These are the answer for cars where an aftermarket double-DIN would look completely wrong, and they usually fit the original aperture and shaft spacing.
Our tech experts advise
Shaft spacing, depth and face style vary between models and cars, and older vehicles often need a 6 to 12 volt converter or a rewire of the aerial and earth. Tell us the car and we will confirm which model suits — 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
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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: Which cars is the RetroSound Monza designed for?
A: The Monza face is designed for classic vehicles with factory single DIN openings and is inspired by vintage BMW, Jaguar, Mercedes-Benz and MGB interiors. Contact CEN with your vehicle details to confirm fitment.
Q: Does the Monza Motor 1 Bluetooth have DAB or USB?
A: No. This version has an AM/FM RDS tuner, Bluetooth and one auxiliary input. The Monza Motor 1 DAB adds DAB/DAB+, and the Monza Motor 4 adds DAB/DAB+ and two USB ports.
Q: What's in the box?
A: Monza radio face, Motor 1B, mounting brackets, bolts, screws and washers, backstrap, microphone, main wiring harness, speaker harness, power harness, a large plastic spacer and a cupped plastic spacer.
