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Small rectangular black plastic Bluetooth adapter with 3.5mm jack and built-in microphone

Scosche BT4805P Bluetooth 5 car electronics accessory

SKU CH-WAK6-P0Z36 MPN BT4805P

Adds Bluetooth 5 wireless audio and hands-free calls to any 3.5 mm AUX system with a built-in ground-loop isolator and dual-device pairing

  • Typecar
  • Height4 L x 3.1 W x 1.3 H inches
  • Width4 L x 3.1 W x 1.3 H inches
  • Length4 L x 3.1 W x 1.3 H inches
  • Weight0.09 kilograms
  • Labor1 Year
  • Hands-free calls with built-in microphone for safer driving
  • Auto-on and auto-connect to last paired device at ignition
  • Wireless music streaming to any 3.5 mm AUX input system
  • Ground loop isolator removes buzz and static from audio
  • Dual connection lets two Bluetooth devices stay paired simultaneously

Wireless audio adapter for car and home

The Scosche BT4805P adds Bluetooth 5 connectivity to any stereo or speaker that has a 3.5 mm auxiliary input. A built‑in microphone enables hands‑free calling while the ground‑loop isolator removes unwanted noise from the audio signal. The adapter powers on with the vehicle ignition and reconnects to the last paired device automatically. Two devices can stay paired simultaneously for quick switching.

Drivers who want wireless streaming and clear calls

This unit suits motorists who need hands‑free phone operation and cable‑free music from a phone or tablet. It also serves home users who want to revive older wired speakers without buying new equipment. Buyers whose vehicles lack a 3.5 mm auxiliary port cannot use this adapter. Those requiring onboard storage, a display or advanced audio codecs should look at other solutions.

Bluetooth 5 dual‑connection support

The single specification that decides compatibility is Bluetooth 5 with dual‑device pairing. If the source device supports this version the adapter will maintain two active links and auto‑reconnect on power‑up. Without Bluetooth 5 on the phone or tablet the automatic pairing and simultaneous connection benefits will not be available.

Highlights

  • Hands-free calls with built-in microphone for safer driving
  • Auto-on and auto-connect to last paired device at ignition
  • Wireless music streaming to any 3.5 mm AUX input system
  • Ground loop isolator removes buzz and static from audio
  • Dual connection lets two Bluetooth devices stay paired simultaneously

Specifications

BrandScosche
ModelBT4805P
Typecar
Height4 L x 3.1 W x 1.3 H inches
Width4 L x 3.1 W x 1.3 H inches
Length4 L x 3.1 W x 1.3 H inches
Weight0.09 kilograms
Labor1 Year
Parts1 Year
Adjustable Low PassBluetooth 5 . 0,Bluetooth Receiver
Adjustable Parametric Bass EQBluetooth 5 . 0,Bluetooth Receiver
CableStereo Audio, Female-to-Female
ChannelsStereo
CurrentModern
Cut Out DiameterWithout Charger
Hardware Includedfalse
Head Unit SizeSingle DIN
Inner Hole Diameter for WireWithout Charger
Inputs3.5mm Jack
MaterialPlastic
Max Recommended Power HandlingCar Audio Systems, Home Audio Systems, Speakers, Wired Headphones, Smartphones, Bluetooth 5 . 0,Bluetooth Receiver
Number of Links to Amplifier1
Outputs3.5mm, Bluetooth
PowerDC
Screen SizeModern
Size/Dimensions4 in x 3.1 in x 1.3 in
Test DescriptionAvoid placing the adapter near other wireless devices to prevent potential interference.
Sports Team1 Piece

Questions about this item

What 3.5mm port must my car stereo or home speaker provide for the BT4805P to connect?

The adapter plugs into a standard 3.5mm AUX input on the stereo or speaker to receive audio via Bluetooth 5.

Will the adapter auto-reconnect to my phone if I keep an older paired headset in the car?

Yes, dual connection lets the BT4805P stay linked to two Bluetooth devices and it auto-connects to the last paired ones on power-up.

How can I confirm the ground-loop isolator is removing the buzz after I plug it in?

Play audio with the engine running; the hum or static from the car electrical system should disappear, leaving clean sound.

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