1/8 & 1/4 Stereo Jack Cable. HiFi Tube Preamp Bluetooth Receiver D/A Audio Converter Desk USB Music Player. Imported JAN5654 tubes and vintage warm sound: comes with JAN5654 tubes, greatly improves everything associated with your music, sounds soft and delicate, dynamic and pleasing. Easy to compare the difference between digital sound and tube sound via bypass function.Pluggable tube socket design, upgrade to 61N, 6AK5, EF95 etc. To enjoy tube sound of different styles. Complete design and perfect details: support treble and bass control, easy adjust one's own preferable sound styles. Besides large OLED display to indicate working status, also with full function remote control to achieve all settings. Powerful function with attractive appearance, very suitable for the audiophiles who pursue HiFi sound in limited space. High-end materials and unique structure are adopted to ensure better performance. QCC5125 Bluetooth chip, supports ACC/SBC/APTX/APTX-HD/LDAC, achieves further distance and lossless signal transmission without delay. ESS9028Q2M independent DAC chip, OPA1656 op amp, NJW1194 digital tone control chip, with larger dynamic range, lower distortion and higher resolution. 9123 USB chip with special driver, support 24Bit/192Khz transmission to improve the sound quality. Classic headphone amp architecture (2NE5532), provide larger output power enough to drive 300? Chip architecture: QCC5125 (Bluetooth chip) + 9123 (USB chip) +ESS9028Q2M (DAC chip) + NE5532 (amp). Audio input: Bluetooth / PC-USB / Coaxial / Optical / Stereo RCA. Audio output: Stereo RCA / 3.5mm headphone jack.
Bluetooth version: 5.0 (support APTX /APTX-HD / LDAC). Coaxial / Optical: 24bit / 192KHz. PC-USB operation system supported: W7/W8/W10/MAC/Linux. Frequency response: 20Hz-20KHz (±0.5dB).
Treble / Bass control: ± 6db. Dimensions(WDH): 18512841mm / 7.285.041.61in.
Net weight: 622g / 1.37lb. Package weight: 1.1kg / 2.43lb. 3.5mm headphone jack output is prior, stereo RCA output will auto disconnect when headphone is inserted.It also supports OTG functions, but Android system needs OTG cable and IOS system needs camera kit, please prepare by yourself. Free Return Within 30 Days. We provide free return with 30 days. Is provided for all items. Audio accessories and consumables such as vacuum tubes.
If you are satisfied with our products and service please leave a 5-star. Feedback, we will provide better solutions until you are satisfied. Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including. Douk Audio / Nobsound / Little Bear.
As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for. Improve our customers' listening experience. During holiday, please allow us to response you early next week.Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.