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Small black plastic box with volume knob, RCA, 3.5mm and optical ports

Scosche JS57 Bluetooth 5.3 Car Electronics Accessory

SKU CH-YAG2-98VYQ MPN JS57

A Bluetooth 5.3 audio receiver that adds wireless streaming to any wired stereo, speaker or amplifier through RCA, 3.5 mm or optical outputs with a 10 metre range and a rotary volume knob

  • Typecar
  • FeaturesRCA, Lightweight, Low Latency, 3.5mm Audio, Optical Output
  • Weight115 grams
  • Labor1 Year
  • Parts1 Year
  • Adjustable Subsonic FilterRCA, Lightweight, Low Latency, 3.5mm Audio
  • Bluetooth 5.3 streams audio up to 10 metres
  • Three outputs — RCA, 3.5 mm AUX and optical — fit 99 % of systems
  • Rotary knob gives precise volume control and play/pause
  • Dedicated 3D Audio button toggles bass or treble profiles
  • Weighs 115 grams, plugs in and pairs in seconds

Upgrade Legacy Audio with Bluetooth 5.3

The Scosche JS57 adds wireless streaming to vintage home stereos, amplifiers and wired speakers through RCA, 3.5 mm auxiliary and optical outputs. It receives audio from phones, tablets or laptops using Bluetooth 5.3 and supports SBC decoding with HSP, HFP, A2DP and AVRCP profiles. The compact ABS housing weighs 115 grams and measures small enough to sit discreetly beside existing equipment.

Check Power and Input Requirements First

The unit requires a 5 V power source and has no internal battery, so a USB supply or mains adapter must be available at the installation spot. Verify that your target system offers an RCA, 3.5 mm or optical input; the receiver cannot add Bluetooth to a source-only device such as a CD player. Wireless range extends to 10 metres or 30 feet with a clear line of sight.

Compact Build with Front-Panel Controls

A rotary knob on the top surface handles volume and play/pause duties, while a dedicated 3D audio button toggles between bass-focused and treble-focused sound profiles. All three output ports sit on the rear alongside the power input, keeping cable runs tidy. The lightweight chassis uses ABS plastic and includes no mounting hardware, so placement is simply a matter of setting it on a shelf or taping it in place.

Highlights

  • Bluetooth 5.3 streams audio up to 10 metres
  • Three outputs — RCA, 3.5 mm AUX and optical — fit 99 % of systems
  • Rotary knob gives precise volume control and play/pause
  • Dedicated 3D Audio button toggles bass or treble profiles
  • Weighs 115 grams, plugs in and pairs in seconds

Specifications

BrandScosche
ModelJS57
Typecar
FeaturesRCA, Lightweight, Low Latency, 3.5mm Audio, Optical Output
Weight115 grams
Labor1 Year
Parts1 Year
Adjustable Subsonic FilterRCA, Lightweight, Low Latency, 3.5mm Audio
CableMale-to-Male
ChannelsSurround
CompatibilitySpeaker, Stereo system, Add Bluetooth to old stereo, Wireless audio upgrade for vintage speakers, HiFi Bluetooth receiver for amps
CurrentClassic, 5 volts
Cut Out Diametersmall
Frequency Blockednot_applicable
Hardware Includedfalse
Head Unit SizeSingle DIN
Inner Hole Diameter for Wiresmall
InputsBluetooth
Number of Links to Amplifier4
OutputsSpeaker
PowerCorded Electric
Screen SizeClassic
Test DescriptionRCA, Lightweight, Low Latency, 3.5mm Audio, Avoid placing near other wireless devices to prevent interference. Do not expose to extreme temperatures or humidity.
Vehicle Manufacturer CompatibilityHiFi Bluetooth receiver for amps
Voltage5 volts
Sports Team1 Piece

Questions about this item

Does the JS57 include cables or mounting hardware in the box?

The receiver itself is supplied; cables and mounting hardware are not included and must be purchased separately.

Which JS57 version should I choose for a vintage stereo with RCA, 3.5 mm and optical inputs?

The single JS57 model provides all three outputs — RCA, AUX 3.5 mm and optical — so one unit covers every connection type listed.

What does the Bluetooth 5.3 rating mean for everyday streaming distance?

It delivers a stable link up to 10 metres (30 feet) with low latency, keeping music in sync while you move around the room.

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