FiiO BTR15 Portable Bluetooth DAC and Headphone Amplifier
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FiiO BTR15 Portable Bluetooth DAC and Headphone Amplifier
Overview
The FiiO BTR15 is a portable Bluetooth DAC and headphone amplifier that also works as a high-resolution USB DAC for your computer or phone. One button switches between PC, Bluetooth, and phone modes, so the same small device can sit on your desk with a laptop, stream wirelessly from your phone, or plug into your phone as a dongle.
Two ESS ES9219MQ DACs, a Qualcomm QCC5125 Bluetooth chip, and an XMOS XU316 USB receiver form the core. Bluetooth 5.1 covers LDAC, aptX Adaptive, aptX HD, aptX, aptX LL, AAC, and SBC, while USB handles PCM up to 384kHz/32bit, DSD256, and full MQA decoding. An independent amp power supply lets the 4.4mm balanced output reach 340mW per channel into 32 ohms, and the 3.5mm output is wired in parallel for up to 125mW.
A 0.96-inch OLED display, curved glass front and back, and an aluminum frame make it easy to read and comfortable to hold. The FiiO Control app adds a global parametric EQ, and a built-in mic handles calls. Battery life is about 8 hours over Bluetooth, and FiiO added several battery-protection features to look after long-term battery health.
Simcoe Audio Video Insight
The BTR15 is a strong pick if you want one portable device that's a real USB DAC at your desk and a capable Bluetooth amp everywhere else. Use the 4.4mm output if your headphones or IEMs have a balanced cable. That's where the extra power is. In PC mode it draws power from the computer rather than its battery, which makes it a good everyday laptop DAC. For on-the-go use, the included back clip, or FiiO's optional MagClip magnetic kit, makes it easier to carry.
More Info
Why the FiiO BTR15 Stands Out
340mW Balanced Output
4.4mm balanced up to 340mW per channel into 32 ohms.
High-Res USB DAC
PCM up to 384kHz/32bit, DSD256, and full MQA decoding.
LDAC and aptX Adaptive
Qualcomm QCC5125 with Bluetooth 5.1 and seven codecs.
One-Button Mode Switch
PC, Bluetooth, and phone dongle modes.
OLED Display and Global PEQ
Clear status on screen; parametric EQ in FiiO Control.
Built to Hold
Curved glass front and back with an aluminum frame.
Buyer's Guide
Who It's For
- The Desk and Commute Listener: Wants a laptop DAC that also works over Bluetooth.
- The Balanced IEM Owner: Wants more power from a 4.4mm cable on the go.
- The Hi-Res File Collector: Wants high sample rates and DSD over USB.
How It Compares
Compared with FiiO's BTR13, the BTR15 adds more balanced power, a high-resolution XMOS USB section (up to 384kHz/32bit and DSD256 versus 96kHz/16bit), and an OLED display with curved glass.
FiiO BTR15 Portable Bluetooth DAC and Headphone Amplifier Specifications
| General Information | |
|---|---|
| Model | FiiO BTR15 |
| Brand | FiiO |
| Product Type | Portable Bluetooth DAC, headphone amplifier, and USB DAC |
| Audio & Wireless | |
| DAC | 2 x ESS ES9219MQ |
| USB Receiver | XMOS XU316 |
| Bluetooth Chip | Qualcomm QCC5125 |
| Bluetooth Version | 5.1 |
| Codecs | LDAC, aptX Adaptive, aptX HD, aptX, aptX LL, AAC, SBC |
| USB Decoding | PCM up to 384kHz/32bit; DSD256; MQA full decoding; UAC 1.0 driver-free mode |
| Modes | PC / Bluetooth / phone dongle (mode button) |
| Microphone | Built-in omnidirectional |
| 3.5mm Output | |
| Output Power | 125mW + 125mW (32 ohm); 165mW + 165mW (16 ohm); about 15mW (300 ohm) |
| Output Level | 2Vrms |
| Output Impedance | Below 1 ohm |
| SNR | 120dB or better (A-weighted) |
| THD+N | Below 0.0008% |
| Channel Separation | 78dB or better |
| Noise Floor | Below 2uV (A-weighted) |
| Recommended Impedance | 8 to 150 ohm |
| 4.4mm Balanced Output | |
| Output Power | 340mW + 340mW (32 ohm); 270mW + 270mW (16 ohm); 50mW + 50mW (300 ohm) |
| Output Level | 3.2Vrms |
| Output Impedance | Below 1.5 ohm |
| SNR | 122dB or better (A-weighted) |
| THD+N | Below 0.0008% |
| Channel Separation | 114dB or better |
| Recommended Impedance | 8 to 350 ohm |
| Frequency Response | 20Hz-20kHz within 0.1dB; 20Hz-50kHz within 0.8dB |
| Features & Controls | |
| Display | 0.96-inch OLED |
| Gain | Low / High |
| EQ | Global PEQ via FiiO Control |
| Car Mode | Turns on/off with vehicle USB power |
| Buttons | Power, multi-function, volume up/down, mode switch |
| Firmware | Bluetooth OTA; XMOS via USB |
| Battery & Physical | |
| Battery | 550mAh lithium polymer |
| Playback | About 8 hours (Bluetooth, AAC) |
| Charging Time | 2 hours or less (DC 5V/1A) |
| Dimensions | About 32.0 x 72.2 x 12.5 mm |
| Weight | About 37.3g |
| Construction | Curved glass front and back, aluminum alloy frame |
| In the Box | Removable back clip, Type-C to Type-C cable, USB adapter, warranty card, quick start guide |
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