FiiO BT11 – Ultra‑Compact LDAC & aptX Bluetooth Transmitter

The FiiO BT11 unlocks high-resolution audio streaming on devices like iPhones, PS5, Nintendo Switch, and laptops via USB-C. Powered by a flagship Qualcomm QCC5181 chipset, it supports LDAC, aptX Adaptive/Lossless and more, all while fitting into your pocket and offering up to 50 m of wireless range.

Key Features

• Qualcomm QCC5181 & Bluetooth 5.4: High-performance chipset with advanced PDS antenna for stable streaming and low latency
• Full codec support: LDAC (96 kHz/24 bit), aptX Adaptive/Lossless, aptX HD, aptX Low-Latency, and SBC for wide compatibility
• Dual-device pairing: Stream to two headphones simultaneously using the FiiO Control app
• RGB codec indicator: LED light shows active codec at a glance
• Tiny and robust: 28 × 21 × 9 mm and 3 g, with durable USB-A/C adapter and protective plug

Customer Benefits

The BT11 brings audiophile-grade codecs to devices that lack them, improving sound clarity and depth. Its pocket-sized build, dual pairing feature, and firmware updates ensure it grows with your setup—ideal for mobile, console, and desktop users.

Quick Specs

• Dimensions: 28 × 21 × 9 mm
• Weight: 3 g
• Bluetooth: 5.4
• Codecs: LDAC, aptX Adaptive/Lossless, aptX HD/LL, SBC
• Transmission range: ~50 m open‑air; ~35 m through walls
• Chipset: Qualcomm QCC5181 with DSP
• LED: RGB indicator for real-time codec display

What’s in the Box

• BT11 transmitter (Black)
• USB-C protective cap
• USB-A to USB-C adapter
• Quick-start guide and warranty card

Use Cases / Ideal For

Perfect for enabling LDAC/AptX Lossless on iPhones or consoles, sharing audio with two earbuds, or upgrading desktop audio quality without upgrading your device.

Compatibility

Plug-and-play on USB-C phones, tablets, consoles, and laptops. Control pairing, firmware, and codec settings via the FiiO Control app. Works with any Bluetooth headphones supporting the enabled codecs.

Pros & Cons

✅ Pros:

• Exceptional codec support in a pocket-sized device
• Excellent wireless range compared to smartphones
• Ability to stream to two devices simultaneously
• Clear LED feedback and upgradeable firmware

⚠️ Cons:

• Setup can be fiddly on iOS—app pairing may require extra steps
• Codec negotiation still depends on headphone firmware stability
• No ANC or mic pass‑through—strictly a transmitter

The FiiO BT11 is a remarkable little dongle that finally brings high-end Bluetooth audio to devices that previously lacked support. Whether you’re an audiophile, gamer, or commuter, its codec coverage, dual connectivity, and firmware support make it a smart addition to any setup.