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: Easy Setup, Unboxing and How It Works
Two short videos from our channel: a step-by-step guide to connecting the RA-Twin II to a vintage stereo, followed by an unboxing that shows how the adapter works in both modes.
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.
Gold Series 3.5mm to Dual RCA Cable – Radique Audio, Shielded
A 3.5 mm TRS male to dual RCA male cable, 1.2 metres long and 7 mm in diameter. Two hundred and sixty-two tinned copper strands sit inside braided and foil shielding, with an integrated degaussing ring and a reinforced splitter. Gold-plated connectors, PE insulation and a gold cotton mesh jacket. Designed and tested in-house.
Gold Series 1/4 to 1/8 TRS Cable – Shielded by Radique Audio
One metre of 1/4-inch to 1/8-inch TRS, stereo at both ends, so no adapter sits in the signal path. 262 tinned copper strands inside a 128-strand braided copper shield, an aluminium foil layer, and dual degaussing rings for magnetic noise. PE insulation under a 7mm gold cotton mesh jacket that routes without kinking. Built by Radique Audio.
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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.
Custom Speaker Cable Builder
🎯 Your specs, your cable — choose cable type, length & connectors
💰 Live pricing — price updates instantly as you configure
↔️ Bi-wire capable — available on Kimber 4PR, Kimber 4TC and House Quad
🔥 Heat-shrink reinforced — colour-coordinated at every termination & joint
🍁 Hand-assembled in Ottawa — backed by our Bumper-to-Bumper Warranty
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. 🍁
Pair of 3′ 12 AWG Radique Speaker wires with Banana Plugs
Pair of 5′ 12 AWG Radique Speaker wires with Banana Plugs
Radique Gift Coupons (Digital Gift Cards & Gift Certificates)
Give the gift of great audio with a Radique Gift Coupon – our digital gift card / gift certificate that works across Radique.com. Perfect for birthdays, holidays, and “just because” surprises when you’re not sure which speakers, amp, or cables they’ve been eyeing.
Radique Audio High Density Felt Pads – 1 Inch Magenta, 8-Pack
High density felt in our signature Magenta, 1 inch across and a full 5 mm thick, with a self-adhesive backing that grips any smooth surface. Fitted under speakers, components and stands, they keep the surface below free of rings and scratches and take the edge off cabinet vibration. We use them throughout our own shop, from small satellites to large towers and on vintage receivers well into the three-thousand-dollar range. Sold in packs of 8.
