(Pre-Owned) iBasso DX90 Portable Media Player With High Resolution Dual Sabre ES9018K2M DACs + 64GB Memory Card (Black)

Features an internal memory of 8 GB and accepts micro SD cards up to 2 TB.
Dual DAC – 2x Sabre ES9018K2M – Dual Mono DAC Design: one ESS Sabre32 ES9018K2M DAC chip per channel allows for the best possible dynamic range, and channel crosstalk. 6.5 times more detail than a traditional CD.

Dual Soundplus OPAMP OPA1611 with dual high current output buffer BUF634 (by Texas Instrument)

Battery Life: 8.5hours
Battery Charge Time: 3hours with AC adapter, 5.5 hours with PC USB port
On Board Flash: 8GB
Audio Formats Supported: APE, FLAC, WAV, WMA, AAC, ALAC, AIFF, OGG, MP3
Case dimension: 2.52W x 3.98L x 0.67H (inch), 64W x 100L x 17H (mm)
Weight: 140g or 4.94oz
Package includes: iBasso DX90, Earphones, 64GB Memory Card, Carry Case, USB Cable and Power Adapter.

Frequency Response: 17Hz~20KHz +/-0.1dB
THD+N: 0.0015% (32ohm load)
Output Level: 1.3Vrms (Low gain), 2.0Vrms (Mid gain), 2.8Vrms (High Gain)
S/N: -118dB +/-1dB(Low gain), -116dB +/-1dB(Mid gain), -115dB +/-1dB(High Gain) (32ohm Load)
Crosstalk: 75dB (1KHz,32ohm Load)
Output Impedance: <0.1ohm