Bluetooth Adapter for Vintage Stereo – RA-Twin II Radique Audio
$39.00
Bring your classic stereo system into the wireless age with the RA-Twin II Bluetooth adapter. Instantly upgrade your system with easy streaming, dual transmit/receive modes, and Radique’s legendary support.
Bluetooth Adapter for Vintage Stereo – Radique Audio RA-Twin II Bluetooth Transmitter & Receiver
Looking for the best Bluetooth adapter for vintage stereo systems?
The Radique Audio RA-Twin II is designed to add modern Bluetooth streaming to your classic stereo, amplifier, or cherished speakers—wirelessly connecting your favorite vintage audio gear to smartphones, tablets, and laptops.
Why Choose a Bluetooth Adapter for Vintage Stereo?
Revive Your Stereo: Instantly bring Bluetooth capability to vintage or analog sound systems—no tech headaches, no landfill waste.
Dual Mode Versatility: Easily switch between Transmitter (TX) mode (send analog audio from your stereo, TV, or audio source to Bluetooth headphones/speakers) and Receiver (RX) mode (play streaming music from your phone through that timeless amp or stereo).
Plug-and-Play Simplicity: Hassle-free setup with the included RCA/3.5mm cables—works with virtually any audio gear, whether it’s decades-old or brand new.
Watch: Unboxing, How It Works & Giveaway!
Radique Advantages
Clear Online & Printable Manual: No more confusing instructions. The RA-Twin II gives you instant access to our easy, step-by-step manual (in English and French) on our website—with a downloadable PDF if you’d prefer a full-size printed copy at home.
Legendary Support: Have a question? Our Ottawa-based team responds quickly—and with a smile—by email or through our support portal. We’ve actually used (and love!) what we sell.
Bonus Features
MP3, Podcast, and Audiobook Playback: Play audio directly from a microSD card (up to 64GB, ≈15,000 tracks—no phone needed).
Compact and Portable: Pocket-sized (2.36 × 0.98 × 0.51 in, 0.53 oz / 60 × 25 × 13 mm, 15g).
Up to 10 Hours of Battery: All-day use per charge (USB-C cable included).
In The Box: RA-Twin II adapter, RCA/3.5mm cable, USB-C charging cable, and a quick-start insert with QR code to all manuals, videos, and support.
Why Radique?
Customer happiness is our priority: Every product is backed by a warranty and real after-sale support.
Sustainability matters: Keep great gear out of landfills—give your audio setup a second life.
More Than Setup: Explore use cases, tips, and expert tricks on our YouTube channel—linked right from your device insert.
Technical Highlights
Bluetooth 5.4: Best-in-class range and clarity (up to 10 m line-of-sight).
Universal Compatibility: Works with nearly any analog audio gear—RCA, 3.5mm, 6.35mm, powered speakers (bundle cables available).
MP3 Playback: Most standard podcasts and audiobooks in MP3 format will play (see online manual for details).
Unlock the true potential of your classic sound system—no landfill required.
The “Tiny but Mighty” RA-Twin II Bluetooth adapter for vintage stereo makes it easy, reliable, and fun.
RA-Twin II User Manual 250729
Manuel d’Utilisation – RA-Twin II 250729
| Weight | 0.2 lbs |
|---|---|
| Dimensions | 10 × 8 × 1 in |
Frequently bought together
Multi-Port USB Fast Charger – RA-USB 50W QC3.0 & USB-C PD
Multi-port USB fast charger with 50W total output. QC3.0 and USB Power Delivery support lets you charge up to 4 devices simultaneously—smartphones, tablets, earbuds, and more. Compact 45mm design fits any desk, audio rack, or travel bag. Perfect companion to RA-Twin II or vintage amplifiers with power receptacles.
Related Products
- ✔️ Kimber’s entry-point high-performance analog interconnect
- ✔️ 3 wire braid geometry with VariStrand ultrapure copper conductors
- ✔️ Available in four lengths and three terminator options
- ✔️ Brand new authorized dealer stock, sourced for fast fulfillment
- ✔️ Ask us if you’d like help comparing Tonik with PBJ, Hero, or our Radique Gold Series interconnects
- ✔️ A classic Kimber analog interconnect with clear step-up appeal
- ✔️ 3 wire braid geometry with VariStrand hyper-pure copper conductors
- ✔️ Red, blue, and black fluorocarbon dielectric construction
- ✔️ Brand new authorized dealer stock, sourced for fast fulfillment
- ✔️ Ask us if you’d like help comparing PBJ with Tonik, Hero, or our Radique Gold Series interconnects
- ✔️ Kimber’s four-wire step-up analog interconnect
- ✔️ 4 wire quadratic braid with VariStrand copper conductors
- ✔️ Available in four lengths and four terminator options
- ✔️ Brand new authorized dealer stock, sourced for fast fulfillment
- ✔️ Ask us if you’d like help comparing Hero with Tonik, PBJ, or our Radique Gold Series interconnects
- ✔️ Kimber V21 digital interconnect with RCA or BNC termination options
- ✔️ Solid copper center conductor
- ✔️ Foamed PE dielectric
- ✔️ Available in four standard lengths, with custom lengths available
- ✔️ Brand new stock, ready for fast fulfillment
- ✔️ Kimber DV30 digital interconnect with RCA or BNC termination options
- ✔️ Solid copper center conductor
- ✔️ Air articulated Teflon dielectric
- ✔️ Available in four standard lengths, with custom lengths available
- ✔️ Brand new stock, ready for fast fulfillment
RA-Mini: Compact Class D Amplifier – Tiny but Mighty | Radique
Tiny but Mighty: Compact Class D amplifier in a 100mm cube. 50W per channel of great-sounding audio for passive speakers. Five ways to connect: Bluetooth 5.0 (MP3, AAC, SBC streaming), USB, TF Card (FLAC, WAV, MP3), RCA, and 3.5mm AUX. Perfect for dens, bedrooms, offices, and anyone discovering great audio.
RA-Twin II Gold Series RX Bundle
RA‑Twin II Gold Series RX Bundle
Take your RA‑Twin II to the next level! This bundle pairs our fantastic, crystal‑clear RA‑Twin II Streamer with the Radique Audio Gold Series 3.5mm to Dual RCA Cable — a serious step up from the very basic starter cable included in the RA-Twin II package.
The Gold Series cable delivers superior conductivity, robust shielding, and rock‑solid connectors for richer detail, deeper bass, and a cleaner signal from your source. Translation? Your music simply sounds better.
Multi-Port USB Fast Charger – RA-USB 50W QC3.0 & USB-C PD
Multi-port USB fast charger with 50W total output. QC3.0 and USB Power Delivery support lets you charge up to 4 devices simultaneously—smartphones, tablets, earbuds, and more. Compact 45mm design fits any desk, audio rack, or travel bag. Perfect companion to RA-Twin II or vintage amplifiers with power receptacles.
RA-Twin II Gold Series TX Bundle
The RA-Twin II Gold Series TX Bundle pairs our exciting new Bluetooth streamer with a premium Gold Series 1/4" to 1/8" TRS cable—perfect for streaming from vintage amplifiers and home theater systems directly to your Bluetooth headphones. Save compared to purchasing separately while enjoying audiophile-quality sound and seamless wireless connectivity. 🍁
Kimber Kable 4TC Speaker Cable — Bulk by the Foot or Meter
• Genuine Kimber Kable 4TC bulk speaker cable
• Choose Foot or Meter as your purchase unit
• Ships unterminated and un-stripped for DIY customers
• Approx. 2 x 13 AWG braided OFE copper design with low-loss fluorocarbon dielectric
• Want it stripped and prepped with reinforced split, or fully terminated in standard or bi-wire form? Order that version through our Custom Speaker Cable Builder
• Final sale on all custom-length bulk-wire orders — please measure twice before ordering
Kimber Tonik Interconnects
Kimber PBJ Interconnects
Kimber Hero Interconnects
Kimber V21 Digital Interconnects
