The 50W stereo amp that turns vintage speakers into a Bluetooth setup
Is this the right fit?
- Best for
- turning old passive bookshelf speakers into a desktop streaming setup, garage stereos, anyone who wants a small Bluetooth amp without the Sonos lock-in
- Skip if
- No on-screen display so volume is by ear or the small dial
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- Confirm the dimensions, exact model, included parts and return terms on the Amazon listing before ordering.
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The Arylic B50 is a compact Class D stereo amplifier rated at 50W per channel, with built-in Bluetooth 5.0 receiver AND transmitter (you can stream to it OR from it to wireless headphones). 24-bit / 96kHz audio resolution, optical and aux inputs, subwoofer pre-out, and a wired remote. About the size of a paperback and runs cool. Best fit: turning old passive bookshelf speakers into a desktop streaming setup, garage stereos, anyone who wants a small Bluetooth amp without the Sonos lock-in.
Pros
- Bluetooth transmit mode sends to wireless headphones, not just receive
- 50W per channel handles most bookshelf speakers cleanly
- Optical input means you can wire in a TV for movie nights
Cons
- No on-screen display so volume is by ear or the small dial
Frequently asked questions
Can it drive vintage 8-ohm bookshelf speakers?
Yes. 50W per channel into 8 ohms is enough for most passive bookshelves at room-filling volume.
Does Bluetooth audio sound compressed?
It supports aptX HD over Bluetooth 5.0, which sounds close to wired for most ears. Audiophiles will still prefer the optical input.
Can you use it with a subwoofer?
Yes, the dedicated sub pre-out connects to any powered subwoofer with line-level input.
Does it come with speaker cable?
No. Standard speaker wire is required (16-gauge is fine for most runs under 20 feet).
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