You want to connect the turntable to a Bluetooth speaker instead of a pair of wired powered speakers?

What models are your 2 turntables?

Connect most any turntable with a built in or external phono preamp to a $39 Bluetooth transmitter if you must transmit the turntable audio over Bluetooth.

Or connect the turntable to a pair of wired powered speakers that have Bluetooth built in for playing music from your phone, tablet or computer.

4" mid bass driver powered speakers for a small room or desktop setup with wired input for the turntable and also Bluetooth input:

• Klipsch KD-400 $159 with remote, subwoofer output, digital optical and USB inputs.
• Dayton Audio $95 with 3.5mm input instead of RCA so use the correct cable or adapter.
• Bestian $57 basic low cost option on sale.

More turntables and speakers.

Yamaha CR-220 - TAPE REC OUT > RCA to 3.5mm audio cable > Bluetooth Transmitter includes audio cables to connect to the Yamaha.

Or if the soundbar has Bluetooth, connect a Bluetooth transmitter to the turntable.

Or if you connect the X box to the TV and the TV is connected to the sound bar won't the sound go from X box to TV to soundbar? Then turntable to analog to digital converter to soundbar digital optical input.

Stereo receivers with Bluetooth are for incoming audio.

If you want to send audio to Bluetooth headphones then you need a Bluetooth transmitter.

Audio Guides, Speaker Placement, Accessories and Vinyl Care

Bluetooth transmitter if you or OP wanted to transmit audio to Bluetooth speakers from a turntable with a built in or external phono preamp or from the RCA LINE OUT audio output on the back of the Onkyo stereo receiver.

Wired or Bluetooth headphones?

• Wired: AT-LPW30TK > headphone amp such as JDS Labs Atom Amp > wired headphones.
• Bluetooth: AT-LPW30TK > Bluetooth transmitter > Bluetooth headphones.

DIY Wet Cleaning.

That's a Bluetooth receiver.

Bluetooth transmitters: 1Mii $33 or Avantree $39.

Or instead of a Bluetooth transmitter consider upgrading to a pair of powered speakers with Bluetooth starting at $79 that have an RCA audio cable input for the turntable:

5.25" mid bass driver powered speakers for a small to medium size room:

• Neumi BSP5 $139 with remote and digital optical input.

4" mid bass driver powered speakers for a small room or desktop setup:

• Insignia NS-HBTSS116 $79 with remote and subwoofer output.
• Klipsch KD-400 $149 with remote, subwoofer output, digital optical input and USB input.

Audio Guides, Speaker Placement, Accessories and Vinyl Care

In addition to the passive speakers connected to the Technics stereo receiver?

If you want to listen to vinyl over Bluetooth to Bluetooth speakers then you connect a Bluetooth Transmitter to a turntable with a built in or external phono preamp or to an amp or receiver that has either TAPE REC OUT or LINE OUT connections.