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DigitalDACsHeadphone AmplifiersDiscontinued
Estimated price (community-sourced)
$75
Around — community and catalog average, updates slowly
About the BTR15
The BTR15 is a portable Bluetooth receiver and USB DAC/headphone amplifier. It uses a Qualcomm QCC5125 Bluetooth chip, an XMOS XU316 USB interface, and two ES9219MQ DAC chips. It supports Bluetooth audio reception and USB DAC playback, with a 3.5 mm single-ended output and a 4.4 mm balanced output. Its 0.96-inch OLED display shows device information, and it includes a 550 mAh rechargeable battery.
Specifications
Bluetooth chip: Qualcomm QCC5125; Bluetooth version: 5.1; Bluetooth codecs: AAC, SBC, aptX, aptX LL, aptX Adaptive, aptX HD, LDAC; USB interface: XMOS XU316; DAC: 2 × ES9219MQ; USB DAC support: up to 384 kHz/32-bit PCM and DSD256; headphone outputs: 3.5 mm single-ended and 4.4 mm balanced; display: 0.96-inch, 96 × 96 OLED; battery capacity: 550 mAh; battery life: approximately 8 hours; output power at 32 Ω: 125 mW + 125 mW single-ended, 340 mW + 340 mW balanced; frequency response: 20 Hz–50 kHz (-0.8 dB); signal-to-noise ratio: ≥122 dB (A-weighted); dimensions: approximately 32.0 × 72.2 × 12.5 mm; weight: approximately 37.3 g.