Product Description
Rolls Royce is the car embedded in the royal history of classic cars. The Rolls Royce was the conqueror of wild lands at ancient times. The car represents the basic structure and pure essence of all other cars that ever excited, wherever they have been, and like the timeless tunes that come from their classic but standard stereos, why they are still in operation today. The Rolls Royce USA-740 radio is a unit that contains a computerized tuner. Some of the most original capabilities include, Bluetooth, a USB connection, auxiliary inputs, and the capacity to include a Compact Disc player accompanied by a CD-1 disc player. This unit is the optimum option for the classic Rolls Royce radio provided by Custom Autosound. Additionally, it not only permits you to listen to the radio, but also stream music from your cell phone and communicate hands free. Best of all, the unit come pre-fabricated for that exact fit without having to do any major cutting into your classic car’s interior. There are few suppliers that can compete with Custom Autosound simply because they have been in this industry for many years now. They are the pioneers in terms of classic car radios and will be for a long time.
Custom Autosound USA-740 Classic Car Radio With Bluetooth USA-740 Radio with Bluetooth Features:
- AM/FM Radio Bluetooth, USB & Auxiliary Inputs
- Option to Add CD-1, Single CD Player
- Bluetooth is Built Into the Radio
- Fits in your Original Dash Opening Without Cutting
- 3.5mm Aux Input on Front of Radio
- RCA Aux Input On Back
- Change Display Lettering Color
- Digital Tuner
- RDS Song/Artist Information
- 5 Channel RCA Pre-Outs w/ Subwoofer Control
- Separate Bass & Treble Control
- 5 EQ Presets
- Fader and Balance Control
- 15 FM & 10 AM Pre Sets
- Seek/Scan Function
- Back by a 2 Year Warranty from the Manufacturer
The Rolls Royce USA-740 unit displays a multi-colored liquid crystal display. This allows owners to have the option of over a dozen hues so that the liquid crystal display coordinates with the shade of their vehicle’s dash lights, gages and other instrument lights. The added Universal Serial Bus ports enable owners to charge their cell phones while playing files from their MP3 saved on their thumb drive. The connectors for the Compact Disc changer permits owners to unite the Custom Autosound CD-1 player with many extra ports located on the back of the radio. This advantage offers more than one option for extra listening devices. The USA-740 radio for the Rolls Royce also has five channel RCA style outputs that include a separate control for the subwoofer. This is in place so that you can signify a five-channel enhancer for the most ideal sound possible and still have full control of the subwoofer in order to accomplish the precise measure of bass to compliment your chosen tunes. This option guarantees that you get full modern, rich sound that will be comparable to your high definition surround sound system that today’s technology has become a staple in modern times. The USA-740 unit customized for the Rolls Royce looks as out of factory. It’s the kind of car that deserves the best of the present moment and the same applies for its audio system, even in a classic model.
USA-740 IN DASH AM/FM for Rolls Royce: Your Questions Answered
Do I need to modify the Rolls Royce dash to install it?
This listing is the version made for the Rolls Royce, designed to go into the original dash opening. Custom Autosound says its radios fit without altering or cutting the original dash.
What can I add to my USA-740 IN DASH AM/FM for Rolls Royce order?
The options on this page let you add a front dual voice coil speaker, a rear 6x9 speaker pair (Custom Autosound 6x9 Speaker Pair and Upgraded Pioneer Speaker Pair), and a hideaway antenna.
How does the USA-740 handle phone audio and connections?
Custom Autosound rates it at 300 watts peak, and it adds hi-volt 4-channel RCA pre-outs plus a subwoofer line-out. You can pick from multiple LCD colors to match your gauges, with a dimmer, and it fully controls the optional CD-1 player.
What about older positive-ground electrical systems?
What do I get with the USA-740 in my Rolls Royce?
Bluetooth is built in, with a microphone included, so you can stream music and answer calls. The USB port plays MP3, WMA, FLAC and WAV files from a flash drive.
What if my Rolls Royce has air conditioning?
Select Yes or No under Factory Air so we send the correct setup for your Rolls Royce's dash.
USA-740 specifications
- Bluetooth built in (streaming and hands-free calling)
- 300 watts peak power (45W x 4 RMS, 2-ohm stable)
- AM/FM stereo tuner
- 2 AUX inputs (3.5 mm front and RCA rear)
- USB port
- Direct control for optional CD-1
- 5-channel RCA pre-outs including subwoofer pre-out and control
- 15 FM and 10 AM presets
- 7-color LCD with dimmer; RDS station/song/artist display
- DSP EQ; auto-store presets
- Electronic tuning and volume; separate bass/treble; 4-way fader; L/R balance
- Power antenna lead; digital clock
- USA/EUR/JAP/RUS tuner capability (USA default)
- Custom Autosound 2-year manufacturer warranty
USA-740 wiring and tech tips
Use this as a head-unit reference for power, ground, antenna, speakers, and amplifier connections. Always match the printed diagram that ships with your unit if it differs.
Power and ground (typical Custom Autosound harness)
| Function | Wire color |
|---|---|
| Ignition / ACC +12V | Red |
| Battery / constant +12V | Yellow |
| Ground | Black |
| Power antenna | Blue |
Ignition and power-antenna leads are commonly fused at 1A on the harness—confirm against the guide that ships with your radio.
Speaker wiring (typical)
| Speaker | Wire color |
|---|---|
| Left front + / − | White / White-Black |
| Right front + / − | Gray / Gray-Black |
| Left rear + / − | Green / Green-Black |
| Right rear + / − | Violet (or Purple) / Violet-Black |
USA-740 extras
Expect antenna, USB, microphone (Bluetooth), CD-1, and subwoofer RCA connections in addition to front/rear line outs. Use the front 3.5 mm AUX or rear RCA AUX for wired sources.
Suggested order for a classic Rolls Royce
- Disconnect the vehicle battery before any wiring.
- Connect ground first, then constant (yellow) and ignition (red).
- Connect the antenna plug and the blue power-antenna lead if your car has a power antenna.
- Wire all four speakers, matching polarity.
- If using an amplifier, run RCA cables from the front/rear (and sub on USA-740/USA-850) pre-outs.
- Reconnect the battery and test radio, speakers, and charging system voltage.
Tech tips for classic Rolls Royce
- This radio is sold for the factory Rolls Royce opening used in classic models—do not cut a modern DIN rectangle if you want a stock look.
- A poor ground is the most common cause of whine or weak audio; scrape paint at the ground point and use a star washer.
- If AM reception is weak, check the antenna mast, cable continuity, and that the antenna plug is fully seated.
- Vintage Car Radio does not install radios. If you are not comfortable with 12V wiring, use a qualified installer.
USA-740 manuals
Download the manufacturer guide for operation, safety, and the official wiring diagram. You can also browse our full library on the Manuals page.
Vintage Car Radio does not offer installation. The manuals are for do-it-yourself reference or to share with your installer.
Two-Year Custom Autosound Warranty
All Custom Autosound radios sold by Vintage Car Radio are backed by a 2-year manufacturer warranty from Custom Autosound.
Radios are checked before shipping. If something is wrong out of the box or under warranty, call us at 844-802-4499 or 574-226-6676 and we will help coordinate with the manufacturer.
Vintage Car Radio does not offer installation services. Refer to the Manuals and Wiring / Tech Tips sections for manufacturer guidance, or use a qualified car-audio installer.
FAQ — classic Rolls Royce USA-740
Will this fit my classic Rolls Royce without cutting the dash?
It is built for the original radio opening used on classic Rolls Royce models. Compare your dash opening and bezel to the product photos. We do not modify dashes in-house.
Does this radio have Bluetooth?
Yes—Bluetooth is built into the USA-740 for streaming and hands-free calling.
Do I need an amplifier?
Many owners run speakers directly from the radio. Pre-outs are there if you want more volume or a subwoofer later.
Do you install the radio?
No. Vintage Car Radio ships the unit and documentation; installation is DIY or by a shop you choose.
What is the warranty?
Custom Autosound radios include a 2-year manufacturer warranty. See the Warranty section for details.
Need help?
Call 844-802-4499 or 574-226-6676.
Specs
Wiring / Tech Tips
Manuals
Warranty
Two-Year Custom Autosound Warranty
All Custom Autosound radios sold by Vintage Car Radio are backed by a 2-year manufacturer warranty from Custom Autosound.
Radios are checked before shipping. If something is wrong out of the box or under warranty, call us at 844-802-4499 or 574-226-6676 and we will help coordinate with the manufacturer.
Vintage Car Radio does not offer installation services. Refer to the Manuals and Wiring / Tech Tips sections for manufacturer guidance, or use a qualified car-audio installer.
