Complete sub amplifier fitting kit to install a monoblock amplifier in a Range Rover L322 or BMW X5 (E53) with original DSP amplifier to retain the subwoofers when changing to an aftermarket radio.

This amplifier fitting kit includes:

• BLAM Ultra-compact D Class 4 x 75W monoblock amplifier (BL-RA754D)
• BMW and Range Rover DSP amp bypass with sub retention (20-329)
• RCA Phono cable 5m (32-109)
• RCA Y-Leads (32-103 x2)

PLEASE NOTE: This kit is suitable for cars with original DSP amplifier only.

PLEASE NOTE: An additional patch lead is required for the steering controls depending on the make of radio being fitted. If unsure please see Full Description

Car Audio Steering wheel interface allowing use of original buttons with a new aftermarket head-unit. 

This interface will also retain vehicle settings and parking sensor information, as well as providing a rear camera input.  

Suitable for Jeep Renegade (2015-2021) car models with original amplified Uconnect systems

PLEASE NOTE: An additional patch lead is required for the steering controls depending on the make of radio being fitted. If unsure please see Full Description

Steering wheel control interface and adapter cable designed for select Hyundai vehicles with SPDIF digitally amplified audio systems (24 and 18 PIN connections)

Allows you to retain the use of the audio steering control buttons when upgrading to an aftermarket head unit. 

This interface also retains the OEM amplified SPDIF audio system, as well as providing Speed Pulse, Reverse Gear and Amp Remote outputs.

PLEASE NOTE: An additional patch lead is required for the steering controls depending on the make of radio being fitted. If unsure please see Full Description

Steering wheel control interface and adapter cable designed for select Hyundai ix35 (2010-2015) vehicles with amplified audio systems (ISO connections behind the radio)

Allows you to retain the use of the audio steering control buttons when upgrading to an aftermarket head unit. 

This interface also retains the OEM amplifier and fader menu, as well as providing Speed Pulse, Reverse Gear and Amp Remote outputs.

PLEASE NOTE: An additional patch lead is required for the steering controls depending on the make of radio being fitted. If unsure please see Full Description

Steering wheel control interface and adapter cable designed for select Hyundai ix35 (2010-2015) vehicles with amplified audio systems (ISO connections behind the radio)

Allows you to retain the use of the audio steering control buttons when upgrading to an aftermarket head unit. 

This interface also retains the OEM amplifier and fader menu, as well as providing Speed Pulse, Reverse Gear and Amp Remote outputs.

PLEASE NOTE: To retain the factory camera, please use this interface with part number 27-245

D2B fibre optic interface to retain the use of the original fibre optic audio amplifier (Usually Bose systems in cars built between 1998 and 2005) in Mercedes C Class, CL, CLK, E Class, ML, S-Class, SL and SLK cars when fitting an aftermarket stereo upgrade. NOT FOR LATER CARS AFTER 2003 WITH MOST FIBRE OPTICS

Comes with cable to connect power and ground via ISO connections to the radio.

This is a made to order part.

D2B fibre optic interface to retain the use of the original fibre optic audio amplifier (Usually Bose systems in cars built between 1998 and 2005) in Mercedes C Class, CL, CLK, E Class, ML, S-Class, SL and SLK cars when fitting an aftermarket stereo upgrade. NOT FOR LATER CARS AFTER 2003 WITH MOST FIBRE OPTICS.

Comes with cable to connect power and D2B wakeup to connection for original CD changer.

D2B fibre optic interface to retain the use of the original fibre optic audio amplifier (Usually Bose systems in cars built between 1998 and 2005) in Mercedes C Class, CL, CLK, E Class, ML, S-Class, SL and SLK cars when fitting an aftermarket stereo upgrade. NOT FOR LATER CARS AFTER 2003 WITH MOST FIBRE OPTICS

MOST fibre optic interface to retain the use of the original Bose amplifier in Porsche Boxster (986) and 911 (996) cars when fitting an aftermarket stereo upgrade.

MOST fibre optic interface to retain the use of the original fibre optic audio amplifier (Mercedes Audio Gateway or harman/kardon amplifier) in Mercedes CL, CLS, E Class, SL and SLK cars when fitting an aftermarket stereo upgrade. NOT FOR EARLIER CARS BEFORE 2004 WITH D2B FIBRE OPTICS

MOST fibre optic interface to retain the use of the original Bose amplifier in Porsche Boxster 987, Cayman 987, 911 997 and Cayenne cars when fitting an aftermarket stereo upgrade.

Interface to connect to the amplifier of a 2010 - 2015 Kia Sportage or Hyundai iX35 WITH ISO CONNECTIONS ON THE ORIGINAL RADIO as well as interfacing with the steering wheel controls.

This interface also includes a reverse signal, speed pulse and parking brake outputs, along with retention for the OEM reverse camera and aux port.

Suitable for Kia Sportage (SL) or Hyundai iX35 2010 - 2015 with original OEM amplifier and ISO connections, including models with Infinity Sound Amplifier.

Amplifier Interface compatible with various Hyundai and Kia vehicles built from 2012 onwards.

NOT USED AS A STAND ALONE PART

Only for use with a 23 series amplifier interface for Hyundai or Kia. Please see full description for which interfaces this is compatible with.

Interface to connect to the CAN ignition of EU models of the Honda Civic and CRV (2012-2017) and provide ignition output as well as interfacing with the steering wheel controls and amplifier.

This interface also includes subwoofer retention and a reverse signal, speed pulse and parking brake outputs.

Suitable for European models of the Honda Civic (FK) (2012-2017) and Honda CR-V (2012-2017) with original OEM navigation.

NOT SUITABLE for retaining steering wheel controls on Chinese/unbranded head units with 2 wire SWC interface (KEY1/KEY2) 

Suits cars with and without original navigation BUT  HARD WIRE CONNECTION is needed on CRV cars with navigation .(NOT DIY PLUG AND PLAY)

Honda Civic & CR-V all in one radio replacement and SWC interface for amplified cars.
Includes steering wheel commands, ignition supply, speed pulse, illumination, reverse trigger, parking signal.

Maintains the use of the original amplifier. Keeps the ability to set the factory clock except on cars with 7inch screen. see details in full description.

Interface to connect to the CAN ignition of certain cars and trucks from General Motors and provide ignition output as well as interfacing with the steering wheel controls and original amplifier.

This interface also includes subwoofer retention and a reverse signal, speed pulse and parking brake outputs.

Suitable for certain Chevrolet and GMC models built between 2012 - 2014 with original navigation only, see long description for compatibility.

NOT SUITABLE for retaining steering wheel controls on Chinese/unbranded head units with 2 wire SWC interface (KEY1/KEY2) 

Interface to connect to the amplifier of a 2010 - 2015 Kia Sportage as well as interfacing with the steering wheel controls.

This interface also includes a reverse signal, speed pulse and parking brake outputs, along with retention for the OEM reverse camera and aux port.

MUST BE USED WITH PART 23-235

Suitable for Kia Sportage (SL) 2010 - 2015 with original OEM amplifier, including models with Infinity Sound Amplifier.

Retains steering wheel controls and OEM amplifier when replacing the radio
For cars with original JBL premium sound systems or original Pioneer amplifier.

The steering wheel control interface needs to be used with a 29-Series patch lead

Interface to connect to the CAN ignition of certain cars and trucks from General Motors and provide ignition output as well as interfacing with the steering wheel controls and original amplifier.

This interface also includes subwoofer retention and a reverse signal, speed pulse and parking brake outputs.

Suitable for certain Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saturn and Suzuki models built between 2006 - 2020, see long description for compatibility.

NOT SUITABLE for retaining steering wheel controls on Chinese/unbranded head units with 2 wire SWC interface (KEY1/KEY2) 

This interface plugs in behind the radio between the cars connector and the new head-unit. It will turn on the amplifier for vehicles with J1850 Amplifier turn on signals

for Chrysler Voyager (2005-2008) and Dodge Ram (2002-2005)

PLEASE NOTE: For vehicles with steering wheel controls please use 29-630-ISO in addition to this interface

Radio replacement interface and fascia brackets for Lexus SC430 (05-09) cars with original Mark Levinson amplified audio systems.

Recoil 2 Channel 80W adjustable high-to-low level subwoofer amplifier Line Output Converter (LOC) with a built-in amplifier remote trigger. This device is designed to convert 2 channels of speaker level audio into 2 channels of line level audio that can be used by car audio amplifiers.

This interface detects an audio signal and generates an amplifier turn on signal based on this, the amplifier turn on signal stays on for 60 seconds after the audio signal disappears. This allows the amplifier to stay turned on between tracks and during moments of silent audio.

Amplifier bypass cable for Porsche cars built after 2012 with PCM 3.0 and newer

Allows you to connect a new aftermarket radio directly to the cars speakers after bypassing the original amplifier which is under the front seat while retaining the original subwoofer and its dedicated amplifier.

Amplifier bypass cable for Porsche cars built between 2004-2013 with PCM 2.0 and BOSE

Allows you to connect a new aftermarket radio directly to the cars speakers after bypassing the original amplifier which is under the front seat while retaining the original subwoofer and its dedicated amplifier.

Amplifier bypass cable for Cadillac CTS 2003 - 2007 and Cadillac SRX 2004 - 2006
Allows you to connect a new aftermarket radio directly to the cars speakers after bypassing the original amplifier.

Needs to be used with part 10-149 to reach the length of the car from the radio to where the original amplifier is located.

Amplifier bypass cable for Mercedes ML W164 cars with original amplified audio systems.
This cable extends from the dashboard to the amplifier in the rear of the vehicle and bypasses the amplifier to allow a new stereo to work with the original speakers in the car.

Amplifier bypass cable for BMW X5 cars that have an original DSP amplifier. This cable extends from the dashboard to the amplifier in the rear and bypasses the amplifier to allow a new stereo to work with the original speakers in the car. 

Amplifier bypass cable for 2002 - 2005 Land Rover Range Rover L322 (Vogue) cars that have an original DSP amplifier and high line original head unit. This cable extends from the dashboard to the amplifier in the rear and bypasses the amplifier to allow a new stereo to work with the original speakers in the car.

Amplifier bypass cable for Range Rover sport and Discovery 3 cars with original Harman/Kardon LOGIC 7 premium sound system amplifiers under the driver's seat.

Allows you to connect a new aftermarket radio directly to the car's speakers after bypassing the original amplifier.

PLEASE NOTE: A new amplifier will be needed to keep the original sub-woofer, we recommend using a BL-RA251D compact monoblock amplifier

Amplifier bypass cable for Toyota Alphard and Vellfire (AH10) with OEM Theatre Sound Amplifier
Allows you to connect a new aftermarket radio directly to the cars speakers after bypassing the original amplifier which is under the passenger seat.

Retains front and rear speakers including tweeters, centre speaker and roof speakers. Subwoofer can be retained with a new amplifier

Amplifier bypass cable for Range Rover Sport and Discovery III cars fitted with standard Harman/Kardon amplifier underneath the driver's seat. Allows you to connect a new aftermarket radio directly to the car's speakers after bypassing the original amplifier.
A new extra amplifier will be needed to keep the original sub-woofer. Sound to tweeters may be lost.
NOT FOR LOGIC 7 SYSTEMS

PLEASE NOTE: SUITABLE FOR SPEAKERS ONLY, TO BE USED IN CONJUNCTION WITH OUR 29-712 or 29-758 SWC INTERFACES ONLY

Amplifier bypass cable for Mercedes E Class W211 cars with original COMAND navigation systems.
This cable extends from the dashboard to the amplifier in the rear of the vehicle and bypasses the amplifier to allow a new stereo to work with the original speakers in the car.
A Fakra to DIN antenna adapter cable is also included.

4 channel RCA Ground Loop Isolator (With level adjustment)

Low level To Low Level Ground loop isolator.

Prevents interference when connecting amplifiers to the pre-outs of radios .

Has level adjustments to match the output of the interface to the input of the amplifier .

4 channel High level ISO to Low Level RCA adapter

Converts speaker outputs to low level RCA/PHONO .

Ideal for connecting radios that do not  have pre outs or radios that have low voltage pre outs. To amplifiers.

Also includes ground loop isolators to prevent interference .

Has output level adjustments to match the required  input level  to the connected amplifier .

PLEASE NOTE: Not needed for head-units with 3v or greater RCA phono outputs 

2 channel high to Low Level adapter (FOR REAR CHANNEL AMPLIFIERS AND INTERFACES) 

Includes a built in Ground Loop isolator to reduce electrical interference and on/off "Popping"

2 channel RCA Ground Loop Isolator (With level adjustment)

2 channel Low level Phono to Low Level RCA

Includes a built in Ground Loop isolator to reduce electrical interference and on/off "Popping" to amplifiers

Use the adjustment dials on the adapter box to match the output of the radio to the input of the amplifier.

ISO adapter harness for fitting a new stereo in an Audi A4, A4 Cabriolet, A6 or A8 with an original RND-D (Navigation Plus) radio with BOSE amplified audio system.

Also suitable for Audi TT built before November 2001 with BOSE amplified audio system.

Loose wires for connecting the cars ignition and illumination supply are provided because the RNS-D uses CANBUS data to turn on and no CAN interface is available for these cars.

ISO adapter harness for fitting a new stereo in an Audi A4, A4 Cabriolet, or A6 with an original RND-D (Navigation Plus) radio with the basic rear amplified audio system.

Also suitable for Audi TT built before November 2001.

Loose wires for connecting the cars ignition and illumination supply are provided because the RNS-D uses CANBUS data to turn on and no CAN interface is available for these cars.

ISO adapter harness for fitting a new stereo in an Audi A3, A4, A6 or TT with an original BOSE or SYMPHONY amplified audio system with ISO connectors are the back of the head.

The harness has a built in CANbus ignition interface for plug and play installation. Also provides illumination. Use with item 21-120 for antenna FM connection.

Interface for Alfa Romeo vehicles with original BOSE audio system

Fits the following Alfa Romeo vehicles:

147, 156, 159, Brera and GT

Porsche 986/996 PCM1 BOSE Car audio radio amplifier integration ISO interface.

Connect in line on the speaker ISO cables and the interface converts the audio from high to low level to enable the BOSE amplifier to work.

For Ford Group cars with Shaker 500 & 10000 to be uses in conjunction with ISO lead 20-143.
This cable includes amplifier turn on remote wire and phono outputs for the subwoofer.
Suitable for multiple Ford, Lincoln and Mercury cars and trucks from the US domestic market without CANbus.

This part needs to be used with a 12v-6v adapter such as our 10-671 as the amplifier has a 6v turn on.

For BMW cars built before 2002 with 17 pin Round connector and HARMON KARDON amplifier upgrade.

Retains the use of the amplified audio system, including subwoofer.

Cable to connect Toyota and Lexus cars  ( after  2005) with TOYOTA/PIONEER  original amplifiers  to to a aftermarket car radio using phono line output from the radio.

Check that the connector matches the one on the back of your original radio.( For steering controls use item 29-725 instead)

if the car has a JBL amplifier you will need item 23-224

Volvo V70 radio replacement adapter cable, allows the fitting of an aftermarket car stereo upgrade by adapting the original Volvo connectors to standard aftermarket ISO connectors.

This adapter cable is suitable for HU-6XX and HU-8XX original radios and will retain the use of the original amplifier in the car.

Audi ISO and mini ISO adapter harness for rear amplified cars. This adapter comes with the option of a fly lead to be connected to the cars fuse box (hardwired) if there is no permanent 12v connection in the cars original radio wiring.

Not suitable for cars with Symphony or Bose Audio

Cable for retention of the original Subwoofer fitted to some versions of the 3rd Generation Honda CR-V (2007-2011) with original 2VN3 head unit.