FiiO BTR15 Bluetooth DAC & Headphone Amplifier

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1-Year Local Warranty. Basic specifications: Bluetooth chip: QCC5125 (CPU+DSP dual-core architecture) Bluetooth version: 5.1 USB chip: XMOS XU316 DAC: ES9219MQ*2 Bluetooth codecs: AAC/SBC/aptX/aptX LL/aptX Adaptive/aptX HD/LDAC USB DAC: Asynchronous 384kHz-32bit, DSD256 USB DAC driver-free mode: Supported Display: 0.96-inch 96×96 resolution OLED Headphone outs: Single-ended 3.5mm + Balanced 4.4mm Dimensions: About 32.0mm×72.2mm×12.5mm Weight: About 37.3g Charging time: ＜2h Battery: 550mAh high-temperature resistant lithium-ion Battery life: About 8 hours Output power 1: L+R≥125mW+125mW (32Ω single-ended/THD+N＜1%) Output power 2: L+R≥15mW+15mW (300Ω single-ended/THD+N＜1%) Output power 3: L+R≥340mW+340mW (32Ω balanced/THD+N＜1%) Output power 4: L+R≥50mW+50mW (300Ω balanced/THD+N＜1%) Frequency response: 20Hz~50kHz (-0.8dB) Signal-to-noise ratio: ≥122dB (A-weighted) Noise floor: PO＜2μV (A-weighted); BAL＜2.7μV (A-weighted) Output impedance: PO＜1Ω (32Ω load), BAL＜1.5Ω (32Ω load) THD+N: ＜0.0008% (1kHz/32kΩ) Parts list BTR15*1 Type-C to Type-C data cable*1 USB adapter*1 Removable back clip*1 Quick start guide*1 Warranty card*1 Show more