FiiO QX13 Specifications:
Dimensions: 64.2 × 30.7 × 13 mm
Output power: up to 900 mW + 900 mW @32 Ω (balanced desktop mode), ~310 mW SE
SNR: ≥124 dB; THD+N: <0.0004%
Playback formats: 32-bit/768 kHz PCM, native DSD512, full MQA decoding
Display: 1.99-inch color LCD screen
EQ range: 10-band PEQ ±12 dB, multiple presets + custom tuning.