USB port supports OTG Android (iOS not supported) / STP (please install APP "haibymusic" for DSD). With 3.5mm / 6.5mm ports and volume control for headphones on its front panel. Can drive most headphones within 300? Support for plugging and replacing upgrades, much better than NE5532. 1409425 mm / 5.513.700.98 in.250g / 0.55 lb. DC 5.52.5 mm / 5V 1.5A. (over 5V will damage the device). (both 6.5mm and 3.5mm). PCM 44.1K-192K/24bit (DOP DSD64). PCM 44.1K-384K/32bit; DSD64-DSD256 (DXD not supported). In this case, the USB cable may be unsuppressed or the external power supply voltage is not enough. Please eliminate the USB cable problem and make sure the power supply voltage is 5V.
The DAC cant be connected to the Front USB port of the dekstop, because it may cause the Noise. For the Bluetooth antenna is built-in and portable, the effective distance is about 8-10 meters.It can't be separated by walls or obstacles, otherwise it will affect the signal and cause sound interruption. If the Bluetooth device cannot be paired, please turn off the DAC for 1 minute then restart it. The plexiglass on the top cover is a Bluetooth antenna and Bluetooth signal indicator. Do not cover with objects. If you want the DAC works under best condition, We Recommend you choose a Audio Noise Eliminator(Suit for different kinds of DAC). Telephone number, correct address, input voltage, color, etc.. Or expedited service such as EMS or DHL.
(5-10 days to most countries). The postmark date is applicable.
We are always willing to work out a mutually agreeable solution with our customers. The address on the parcel is NOT the return address.We are dedicated to offer the best products at the lowest price to our customers. Bringing great products and customer service, and thus help enriching our customers' lives is our ultimate goal. During holiday , pls allow us to response you early next week , kindly not leaving negtive/neutral feedback or make dispute/claim out of our working hours, thank you for your cooperation. The item "ES9038 XMOS Coaxial Optical Bluetooth5.0 APTX-HD USB Dop DAC Headphone Amplifier" is in sale since Monday, August 6, 2018. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "doukmall" and is located in shenzhen. This item can be shipped worldwide.