How much does this cost to the nearest dollar?

SABAJ A20d 2022 Version DAC Headphone Amplifier LDAC XMOS Solution Supports DoP256 and Native Chip with Remote Control
ESS Technology's high-end digital-analog chip is the flagship chip of HyperStream II architecture 32-bit with industry-leading low distortion and low noise characteristics. With ESS high-performance DAC dedicated power chip it is more suitable for playing high-resolution source files that are becoming more and more common in digital music; Qualcomm's latest Bluetooth chip supports LDAC APTX/HD, SBC, AAC; 3 high-end dual op amps and a large number of components; The second-generation XMOS solution supports DoP256 and native and PCM supports up to Built-in specially designed low-noise switching power supply; built-in discrete component linear power supply

Price is $400.00
Price: $399.99