Sidebar 1: Specifications
Description: Portable, USB-powered, MQA-capable digital-to-analog processor/ headphone amplifier with ESS ES9281AC DAC chip. Supported operating systems: Apple MacOS, Apple iOS, Microsoft Windows, Android 5.0 and above. Sample rates supported: 44.1–384kHz (PCM), DSD64, DSD128, DSD256. Digital input: USB Type-C. Analog output: 3.5mm stereo headphone jack. Frequency response: 20Hz–20kHz ±0.1dB. THD+N: 0.0003%. Maximum output voltage: 2V RMS into 100k ohms; gain is adjusted automatically for load impedances 70 ohms, >70 ohms, and >600 ohms. Output power: 46.11mW into 16 ohms, 26.71mW into 32 ohms, 12.26mW into 300 ohms (automatically adjusted). Supplied accessories: USB-C–USB-C cable, USB-C–USB-A cable.
Dimensions: 2" (51mm) L × 0.65" (16.5mm) W × 0.32" (8.1mm) D. Weight: not specified.
Finish: Black/Silver.
Serial number of unit reviewed: 6 972007 012406, "Made in China."
Price: $139.99. Approximate number of dealers: 28. Warranty: 1 year.
Manufacturer: Questyle Audio Technology Co., Ltd., Suite 804, Building B, Jialin Highrise, No.2001, Shennan Rd., Futian District, Shenzhen, China. Tel: (86) 755-82835670. US distributor: Bluebird Music Ltd., 1100 Military Rd., Kenmore, NY 14217. Tel: (416) 638-8207. Web: bluebirdmusic.com.
Dimensions: 2" (51mm) L × 0.65" (16.5mm) W × 0.32" (8.1mm) D. Weight: not specified.
Finish: Black/Silver.
Serial number of unit reviewed: 6 972007 012406, "Made in China."
Price: $139.99. Approximate number of dealers: 28. Warranty: 1 year.
Manufacturer: Questyle Audio Technology Co., Ltd., Suite 804, Building B, Jialin Highrise, No.2001, Shennan Rd., Futian District, Shenzhen, China. Tel: (86) 755-82835670. US distributor: Bluebird Music Ltd., 1100 Military Rd., Kenmore, NY 14217. Tel: (416) 638-8207. Web: bluebirdmusic.com.
