FiiO K7BT - AK4493S

The most competitive and cost-effective desktop balanced bluetooth DAC/Amp within the 300-USD range; Adopts the six-stage audio circuit as in FiiO’s high-end devices, and features 2 AMK’s latest AK4493SEQ DACs and dual THX AAA 788+ amps; Supports multiple outputs- 4.4mm balanced out, 6.35/3.5mm single-ended out, as well as multiple inputs- USB, optical, coaxial and AUX in; Comes with versatile functions as well as robust output power- 1% THD+N under BAL output, 2000mW stable output power, which can drive most headphones, including full-size headphones; Supports input selections, 2 gain levels and 3 output levels, and features RGB indicator lights that can display the working state and differentiate sampling rates.