2-8 Days Arrival
30-Day Return
2-Year Warranty
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- 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.
- 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
- Amplifier ×1
- Power Cord ×1
- Remote Control(without battery) ×1
Nobsound A3 Bluetooth Tube Amp Optical DAC
Experience rich, high-fidelity sound with Nobsound A3. It features Bluetooth 5.0, versatile inputs and remote control for a dynamic and wireless audio experience. Connect headphones or a subwoofer for personalized or immersive sound. Stylish, durable and perfect for any audio enthusiast.
VU Meter Design
Modern look with quality build for long-lasting use.
Hi-Fi Tube Sound
Rich, detailed audio from vacuum tubes for an immersive listening experience.
Multiple Inputs
USB, Coaxial, Optical, and 3.5mm jack for versatile connectivity.
Headphone Jack
Headphone Jack
Bluetooth 5.0
Seamless wireless streaming with extended range.
Subwoofer Support
Enhanced bass through subwoofer output.
All-Round Solution
Ideal for various audio setups, from home theaters to Hi-Fi systems.
Remote Control
Easy operation from a distance for convenience.
well where to start... I am well into headphone amplifiers for over 20 years have many different types and for cans I have over 20 pairs collection over the years from basic to electrostatic hybrids I was browsing through AliExpress and came about the nobsound A3 and after great thought and reading reviews decided to take the plunge and got the amp at a great deal all inclusive with shipping for £101...yes £101... what a complete bargain! it arrived in two days (England stock) the Amp came well protected no issues with packing and delivery out of the the box I was surprised how good looking the amp was and from first actual visual look and touch had high hopes of the build (I am not disappointed👍) I took care setting up the amp as instructions instructed!.. I set up my cd.. streamer... pixel 9 pro device and Bluetooth from my pixel tablet... turned on the amp and went and had lunch (about 1hr) I started playing a cd.. Steve Hackett.. Highly Strung Album.... through to my Grado Reference Series RS-2X headphones... and wow was blown away this amp can drive my Grados I thought... and continued to listen to the album... what satisfying sound this amp gives for the price and build quality its up there with the best... honestly.. cant wait to explore more with this fine amp as time progresses with all my headphones etc... big thumbs up from me 5🌟🌟🌟🌟🌟 absolute fabulous amp.
Sexy as F@#K
You won't regret it.
I'm surprised by the cost-to-performance ratio. This machine, paired with Jamo S 805s, is giving me incredible satisfaction.
Me encanto
Works great sound is not disappointing