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tow bar
by G Walker - 24/08/26 06:52 PM
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Forums39
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Joined: Aug 2021
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Talk Morgan Regular
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Does anyone know what the latest Plus Four or SuperSport is using for its Bluetooth receiver.? I was thinking of changing our Six from the Plug-in Aux cable to a Bluetooth receiver. The older models used to use a MusicStream ISBT 23 made by ISimple. However, these are no longer manufactured according to the Web. There are a couple of websites that show UK availability, but its looking like these are mirrored rip off sites when you investigate their company address etc...( I am chasing Visa to be refunded!! ). dave
Dave Plus Six "Squeak" Roadster departed. 1936 BSA Empire Star Q8. 1935 BSA W7-35. 1938 BSA M20
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Joined: Aug 2020
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Talk Morgan Addict
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Talk Morgan Addict
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Well AI suggests the following:- Better Alternatives
If you are replacing a faulty unit or upgrading a Morgan that didn't come with Bluetooth, car audio installers generally advise against hunting down the exact original module. The factory "MusicStream" setup is known among owners for having a weak signal, a high noise floor, and lacking basic track-skipping controls
Instead, you can easily wire any high-quality universal 12V Bluetooth 5.0+ receiver directly into the hidden Kenwood amplifier. This will give you a more reliable connection, better range, and superior audio fidelity while keeping the hardware completely hidden to preserve the car's classic dashboard look.
Premium Audiophile Performance
JL Audio MBT-RX £59.95 Bass Junkies4.7(430)
Premium Audio Delivery: Features Qualcomm aptX HD or high-grade A2DP streaming configurations to deliver sharp, CD-like audio quality over a strong connection.Designed for Hidden Use: Marine-rated (IPX6 water resistance), making it highly durable against the moisture and temperature swings found behind a classic car dashboard. Simple Integration:
Draws tiny current directly from your 12V lines and feeds pristine audio to an amplifier via standard stereo RCA outputs.
You can purchase this model from Bass Junkies or Masori | Shop.Rugged External ControlsMTX MUDBTRC Bluetooth Receiver and Remote £119.99 Car Audio Centre3.5(2
hysical Dashboard Controls:
If you want physical track controls instead of a completely hidden module, this flush-mounts or surface-mounts anywhere in the cabin.Built for Elements: Features large, backlit buttons with an IP66 weather-proof rating, ideal for open-top sports cars.Direct Amp Feed: Connects via a 3.5mm mini-phone stereo line-out to send media straight to your hidden amplifier without needing a traditional radio head unit.This controller option is available directly at the Car Audio Centre.Compact Integration ModulesLeHang Car 12V Aux Bluetooth 5.0 Adapter Module£17.99Amazon.co.uk - Amazon.co.uk-SellerFree deliveryUltra-Compact Form Factor:
A tiny, streamlined black box meant specifically for deep dashboard concealment.Lossless File Compatibility: Built on a Bluetooth 5.0 chip that natively handles high-bitrate streaming formats like FLAC, WAV, and WMA.Bare-Wire Power: Strips down to simple positive (ACC) and negative (GND) lead wires for an explicit, hardwired ignition link.Find this budget-friendly replacement layout via Amazon.co.uk.Key Installation Tips for Morgan VehiclesThe Ground Loop Trap: Hidden 12V receivers are notorious for creating "alternator whine" (a high-pitched buzz that rises with engine RPM).
Always ground your new receiver to the exact same grounding point as your hidden Kenwood amplifier to keep the loop closed.
Ignition vs. Constant Power:
Wire the red power lead of the receiver into a switched (ACC) 12V line, not a constant battery line. Otherwise, the module will stay alive 24/7, slowly draining your car's battery and keeping your phone connected even when parked in the garage.Are you planning to install this device yourself, or would you like help finding a professional car audio installer to handle the wiring?AI responses may include mistakes. Learn more13 sitesJL Audio MBT-RX Bluetooth ReceiverFind out more about the product...GoogleMTX MUDBTRC Bluetooth Receiver and RemoteDesigned to control most Bluetooth enabled devices including iPhone and Android smartphones and tablets Remotely control volume an...GoogleLeHang Car 12V Aux Bluetooth 5.0 Adapter Module Music Receiver Car kit with 2 RCA Input Aux Audio Replacement Compatible With Car Radio Stereo SpeakerJust plug the connector into(ACC/GND)AUX the socket back of your radio You can just Insert this item to the back radio then
Last edited by JohnHarris; 14/07/26 07:55 AM.
22 Plus Four KIMI 12 Plus 4 Sport OZZY 08 Roadster FELIX 06 4/4 70th LOKI 77 4/4 SEAMUS 85 4/4 MOLLY
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Needs to Get Out More!
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Needs to Get Out More!
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Not sure what cable connectors your car has Dave but this USB powered bluetooth device hooks up to RCA connectors. In any case there are a plethora of such devices just Google. In terms of sound quality on such there are no gains for spending silly money. Once paired with your phone all audio from it, music files/streaming, internet radio app (if installed), sat nav voice, sound notifications, calls etc. should be sent to car speakers.
Richard
2018 Roadster 3.7 1966 Land Rover S2a 88 2024 Royal Enfield Guerrilla 450 1945 Guzzi Airone
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Joined: Dec 2025
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L - Learner Plates On
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L - Learner Plates On
Joined: Dec 2025
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I've deleted my bluetooth connection. The standard set up on my Plus Six never dropped bluetooth connection, but was very poor, tinny quality from the rest of the set up. On longer trips I now use Bose noise cancelling headphones, with bluetooth connection to my phone. They fit fine over my cap and sunglasses!
Plus Six '75 Commando 850 '76 CB750K6
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Thank you both John and Richard.. What I am trying to do is connect the cars Garmin DriveSmart 75 MT-S nav system to the cars speakers via a Bluetooth connection.
Presently I have this working by using a male-male Aux jack cable connection between the dedicated connector that comes with the Garmin Nav system plugged into the vehicles ( as Morgan designed ) female Aux plug for the speakers located in the glove box/tidy area in front of the passenger. This method of connection works but its untidy.. too many wires. Note: This method of speaker connection was used on the Plus Six earlier cars until a MusicStream ISBT23 was fitted in cars in the factory. The Aux plug input and its associated electronics box is simply replaced under the dash by the MusicStream Bluetooth ISBT23 receiver, all sound connections are RCA plugs etc, this then connects to the under dash volume control and then back to the amp in the back of the car.
The Garmin DriveSmart 75 states it is possible to connect to a cars speakers by the Aux plug or Bluetooth.
Now I have tried in the past to use a Bluetooth receivers sound output plugged directly by Aux jack into the car speakers female Aux jack ( as above ), however, for some reason the Garmin does not see the receiver.. It will happily pair with a mobile phone, but will not see the "add on" Bluetooth receiver. The Garmin Nav also has an option to pair with Bluetooth speakers, but again, using this route the Garmin does not see the receiver. I am guessing that the Garmin pairs with a mobile phone in a Receive/Send mode, but I can not yet understand why it will not pair in Bluetooth speaker mode as the data flow must be from the Garmin to the Bluetooth Speaker ( one way only) . Unless a Bluetooth speaker connection is also two way like a phone.??
I will need to keep digging for info on this, guess I need to look up the various Bluetooth types.. I think the latest is Bluetooth 6. dave
Dave Plus Six "Squeak" Roadster departed. 1936 BSA Empire Star Q8. 1935 BSA W7-35. 1938 BSA M20
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Joined: Aug 2020
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Talk Morgan Addict
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Talk Morgan Addict
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May I suggest you ask AI on what you want to 'pair' up and see what it recommends. I found my older mobile won't pair to the system yet a much more recent one did with ease......could be an issue over blue tooth version compatibilty, I know it shoudn't be, but I found that out from experience.
Last edited by JohnHarris; 14/07/26 03:54 PM.
22 Plus Four KIMI 12 Plus 4 Sport OZZY 08 Roadster FELIX 06 4/4 70th LOKI 77 4/4 SEAMUS 85 4/4 MOLLY
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Member of the Inner Circle
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Does BT reciever in the car support more than one device? Have you tried with the phone off.
JohnV6 2022 CX Plus Four 2025 Renault Scenic Alpine etech "Yvette"
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Needs to Get Out More!
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If the audio device such as headphones or speakers is "multipoint" it should be able to support two Bluetooth connections simultaneously switching seemlessly between the two. A modern phone being a master device can theoretically handle up to seven bluetooth connections although hardware limitations can reduce this dramatically. My own experience is that Bluetooth has been a flaky system since it's outset and I still get reconnection issues to this day with just one connection.
Ironically my budget bike reliably supports two Bluetooth connections from phone, one to its TFT screen for mapping/position, the other to helmet audio system for voice instructions, music streaming or phone calls.
Richard
2018 Roadster 3.7 1966 Land Rover S2a 88 2024 Royal Enfield Guerrilla 450 1945 Guzzi Airone
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I had the Bluetooth receiver on my P6 replaced under warranty by the factory. No issues in the new one, but they did have to provide new fobs, so the factory fitted BT on my car appears to be linked to both ICE and central locking.
Plus Six "Rachel" Volvo C40
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Talk Morgan Addict
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Interesting topic, my '25MY Plus Four is always either dropping the blue tooth signal or will not easily connect, taking multiple tries before it finally decides to go with the flow. As `High Hamster suggested, it may be a faulty receiver, so as it is still under warranty, I will ask the dealer to check it out. Maybe it would be better to upgrade to a better quality unit anyway?
Paul [At last, I have a car I can polish]
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