Check the listing for details. New SABAJ A20a Power Amplifier 2022 Version Open Box. Color: Silver, Condition: Open box. Listed at 245.00 USD. SABAJ A20a 2022 Version power amplifier adopts ESS technology high-end digital-analog chip ES9038PRO, Qualcomm's latest Bluetooth chip supports LDAC 24bit/96kHz, APTX/HD, SBC, AAC;This amplifier provides the powerful driving force and high-quality transient response required for passive and floor-standing speakers in home HIFI systems.It has 3 high-end dual op amp OPA1612 and a large number of components; the second-generation XMOS solution supports DoP256 and native DSD512, PCM supports up to 32bit/768kHz; dedicated clock processing circuit, greatly reduces clock jitter; high-quality gold-plated input and output connection terminals;A20a 2022 Versio built-in specially designed low-noise switching power supply; built-in discrete component linear power supply and multiple analog circuit low-noise power supplies;Timeless tempered glass display panel! Japan Audio Association (JAS) Hi-Res certification! Open box just to test . Works perfectly