About the RetroSound Denver M1A

Make your vintage vehicle more modern
Make your vintage vehicle more modern
Got a vintage GM, International, or Mopar vehicle with a radio that's showing its age? Enter the RetroSound Denver M1A receiver. This ingenious radio fits a wide variety of classic cars and trucks, thanks to RetroSound's patented "InfiniMount" adjustable shaft/bracket system. You can even install the Denver chassis remotely with an optional RetroSound extension cable for customizing versatility. Now you can cruise in style and enjoy your music in a whole new way.
Simplicity is key
The Denver looks like an old-fashioned radio, but the vintage push-button styling conceals a thoroughly modern receiver. You can enjoy all your favorite AM/FM stations, plus you can plug your smartphone, Dock-and-Play satellite radio, portable music player, or just about any source with a headphone jack into the auxiliary input on the rear of the receiver. The solid built-in amplifier delivers 18 watts RMS per channel, plenty of power for most situations. And new for 2021, the Denver's improved circuit board includes built-in noise suppression, which ensures your cruising tunes will sound crisp and clear.
More power to you
Want to add some serious power to your RetroSound receiver? The Quad4 amplifier delivers 45 watts RMS by four channels to your speakers without taking up a lot of space. The super-compact amp plugs into your radio's harness and, in most cases, can be powered from your fusebox, so you'll save a lot of time and effort on the installation. RetroSound also makes low-profile car speakers that fit into a wide range of older cars and trucks, so you can be sure that your sound system will do justice to your vintage vehicle.
This radio does not play CDs.
Product highlights:
General Features:
- AM/FM receiver designed for classic GM, International, and Mopar vehicles (no built-in CD player)
- built-in amplifier (18 watts RMS/45 watts peak x 4 channels)
- rear-mounted 3.5mm aux input with 7" pigtail for smartphones, satellite radios, portable music players, and other devices
- InfiniMount shaft/bracket system fits a variety of vintage car dash openings
- circuit board with built-in noise suppression for cleaner sound
Other Info:
- AM/FM tuner with 18 FM/12 AM presets
- 4 EQ presets plus user-controlled bass, treble, fader, balance, and mute
- separate power antenna and amplifier turn-on leads
- selectable USA/EU tuner frequencies
- white LCD illumination
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # DEN-M1A-B-248
What's in the box:
RetroSound Denver M1A owner's manual
- Shaft-style radio (M1A body)
- Front-panel
- 2 InfiniMount shafts (with 11" harness attached to each one)
- 2 Infinimount metal brackets
- Main harness
- Power harness
- Speaker harness
- 10 InfiniMount screws
- 2 Self-tapping screws
- Dual-thread bolt
- Four 6mm nuts
- 3 Lock-washers
- 2 Metal washers
- 2 Plastic washers
- 2 Cupped washers
- Rubber stopper
- Backstrap
- Gasket
- User's Manual
- Quick Start Guide
- "STOP" note
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More details on the RetroSound Denver M1A

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Shaft-Style Radio
Built-in Tuner & Aux Input
Audio Section
Shaft-Style Radio
Vehicle Compatibility: The RetroSound Denver (M1A) shaft-style digital media receiver fits seamlessly into the unique 3.5" (w) x 1.5" (h) opening in the dash of your 1960 to 1980 classic vehicle. The nose of the Denver has rounded corners designed to fit flush in your classic vehicle and provide a factory-like fit without the need for a faceplate or bezel. Combined with replica knobs (sold separately) that mimic the look and feel of your original radio, the Denver is the perfect classic car stereo for adding modern stereo features with period-correct styling to the following 1960 to 1980 vehicles
- 1960 to 1963 GMC C/K Series
- 1960 to 1963 Chevy Suburban
- 1961 to 1980 International Scout
- 1966 to 1967 Oldsmobile Cutlass
- 1966 to 1967 Oldsmobile F85
- 1966 to 1967 Oldsmobile 442
- 1971 to 1975 Plymouth Roadrunner
- 1973 Dodge Charger
Note: The RetroSound Denver (M1A) is available with a Black or Chrome faceplate.
Knobs Sold Separately: The RetroSound Denver (M1A) does not come with knobs. There are multiple vehicle specific chrome and black knobs available for the Denver (M1A) that can be purchased separately. A separate trimplate or bezel is not required.
LCD Display: The RetroSound Denver (M1A) features an LCD with a digital read-out. The unit's LCD offers an ultra-wide, off-axis viewing angle and is daylight compatible. The LCD will display clock and tuner information. The color illumination of the LCD is white (fixed).
Built-in Tuner & Aux Input
RDS AM/FM Tuner: The Retrosound head unit features a built-in RDS AM/FM tuner. The unit's tuner features 3 FM bands and 2 AM bands. A total of 30 AM/FM presets can be stored manually or automatically. Select between Local and Distant settings can aid in listening to weak FM radio stations or compensate for stations that have too strong of a signal. This unit's tuner can be set to USA or European tuning.
Aux Input: The universal shaft-style receiver features a 3.5mm auxiliary input connected to the rear chassis by 7" pigtails. The Aux input provides a connection for portable external audio sources such as a MP3 player or CD player.
Audio Section
18W x 4Ch Amplifier: The Denver (M1A) is equipped with a 18 watts x 4-channel RMS/40 watts x 4-channel Peak amplifier. An improved circuit board with built-in noise suppression delivers great sound. .
Preset EQ + Bass & Treble: The Denver (M1A) features the following preset EQ curves (Classic, Pop, Rock, or Off) to customize your music listening. The Off mode activates manual Bass & Treble adjustment.
Balance & Fader Control: The Balance adjustment function allows you to adjust or pan the stereo sound from the left or right; this is helpful to compensate for the position of the driver in relation to the speaker locations. Adjustment range is 0 to 12. The Fader Control allows you to fade the sound from the front pair of speaker to your rear pair of speakers. Adjustment range is 0 to 12.
Turn-On Volume: You can set the Denver (M1A) to power-on to the same volume level (0-46) every time, or let it default to the last volume when turned off.
Key Beep: When this function is enabled, every knob turn or button press will output a beep tone.
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