
Nosound A3 HiFi Vacuum Tube Amplifier Bluetooth 5.0 Receiver COAX/OPT Power Amp USB Player
Features Multiple inputs and outputs: support Bluetooth / Coaxial / Optical / USB(PC-USB/U-disk) / 2 groups of Stereo RCA inputs, compatible with phone, computer, TV, CD player, MP3, etc., can greatly improve the sound quality for them. U-disk input supports lossless formats such as APE, FLAC, WAV etc.. Besides the speaker output, the 6.5mm headphone jack can easily drive 16-600Ω headphones, easy to enjoy HiFi music. Sufficient drive power and subwoofer output: Rated 35W+35W output, easily drives most home passive speakers, and reproduces the details of the sound well. Specially designed with a low-frequency output to connect an active subwoofer to build a 2.1-channel audio system, providing high-quality music for audiophiles. Tube design and Hi-Fi sound: adopt 2PCS 6K3P tubes and 2PCS 6P17A for amplification, sounds delicate and smooth, clear and mellow, with warm and vintage light, can decorate your desktop and let your ears drunk in music. Unique appearance: adopt an aluminum alloy body that can suppress mechanical vibration and prevent electromagnetic interference. Independent indicator light, reflects working status in real-time. A retro and sensitive VU meter, auditory and visual double enjoyment, also with user-friendly remote control; with AC 110/220V switcher, very suitable for home desktop system use. Warm Tips 6.35mm headphone output with priority, please make sure the headphone has been disconnected if you want the speaker and low-frequency output. Please note the USB input does not support MAC system. For safer and faster delivery, remote control without battery, please prepare it by yourself. Parameters Audio input: Bluetooth 5.0 / Coaxial / Optical / USB(PC-USB/U-disk) / 2 groups of RCA Audio output: Speaker Jacks / 6.5mm Headphone Jack / Low-frequency output(connect to active subwoofer) Optical/Coaxial sampling rate: 16Bit/48KHz USB sampling rate: 16Bit/48KHz U-disk support format: MP3/WAV/FLAC/APE/WMA USB support max capacity: 128G Tubes: 6K3P×2+6P17A×2 Headphone impedance range: 16-600Ω Headphone output power: 15mW @32Ω Output power: 35W+35W @4Ω 25W+25W @8Ω Output impedance: 4-16Ω Frequency response: 20Hz-20KHz Power consumption: 100W Input sensitivity: 600mV SNR: ≥84dB THD: 0.10% Separation: ≥75dB Dimensions(W*D*H): 163*253*175mm / 6.42*9.96*6.89in Package dimensions(W*D*H*): 350*220*240mm/13.78*8.66*9.45in Net weight: 3.5kg/7.72lb Package weight: 4.5kg/9.92lb Packing List 1*Amplifier 1*Power Cord 1*Remote Control(without battery)