AboutNote: Please select the appropriate voltage for your country/region before connecting the power cable. Make sure that the rated voltage set with the voltage switch on the bottom of the machine corresponds to the voltage supplied in the area of use. If it doesnt match, make sure its turned off and unplugged, then readjust it properly.100~120VAC: 115VAC220~240VAC: 230VACCorresponds as above.Even if the voltage is compatible, if the shape of the plug is not compatible, a conversion plug is required. Headphone amplifier with built-in DAC equipped with newly developed FPGA algorithm and high-precision resistors ?R2R Himalaya Pro DAC Using a newly developed FPGA algorithm and high-precision resistors, we have achieved a total harmonic distortion rate of -60dB 0.2%, which outperforms the R2R DAC chip PCM1704. ?Bluetooth input interface The upgraded QCC5124 Bluetooth module supports a wide range of Bluetooth protocols including aptX-HD format. Lossless audio transmission is possible between PC, Apple, and Bluetooth devices without interconnection. ?Bauhaus style design that can be integrated with headphones and earphones Can be used as a stand for headphones and earphones. It occupies less space on the desktop than the EF400. Product FeatureificationsSN ratio 118dBTHD+N (line out) 0.00%Channel separation 131+/-3dBMaximum output 5.12W/chSize 165mm(L)×104mm(W)×283mm(H) All my products are 100% Authentic. Please feel free to contact us if you have any question. Payment We usually ship within 5?10 business days of receiving cleared payment. Shipping We ship using FedEx, DHL and Japan Post.International Buyers - Please Note:Import duties, taxes and charges are not in the item price or For electrical appliances, please make sure that they can be used in your country before purchasing. Shipping I ship by the price and means of [shipping] under the product price. Also, please note that if it says “Does not ship to your country” it will not be shipped as shown. we usually ship the item within 5 business days. *We can not use EMS service for some countries in Central Asia PaymentWe accept Paypal or Bank wire. Please pay within 3 days after the auction closed.International BuyersImport duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding/buying. We do not mark merchandise values below value or mark items as gifts - US and International government regulations prohibit such behavior.ReturnCustomer service and satisfaction are very important to us. Returns are accepted ONLY if the item was not the item described. I have an unconditional return policy if nortified within 30 days of the receipt of the item. All returned items must be the original condition. All return request must be made within 30 days of the receipt of the item. Please contact me first for return before you ship it back to me. The postage of the returned goods is a buyer burden.Thank you for coming.!! Dont hesitate to ask me any questions. ? If you find any issue with this transaction, please contact me first . I will try my best to resolve the issue. ?This product is also available at real shop sites.We will update as soon as possible, but if this product is sold on real shop before this is sold on eBay, we are very sorry, but we will cancel the transaction on this site. ? I have examined the item(s) and included my observations as accurate as I could in the description above. Please note that some descriptions may be based on my own opinion. Please read it carefully and understand the condition of the item(s) before bidding.