Nobsound HiFi Bluetooth Tube Amplifier Stereo Audio Amp w/ VU Meters

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Sign Up Now ! Nobsound HiFi Bluetooth Tube Amplifier Stereo Audio Amp w/ VU Meters USB DAC Item description Features

• Authentic Pure Tube Amplifier: Adopting 4*6P1 tubes for power amplification stage and 3*6N1 for voltage amplification and driver stages, DA7 delivers warm, natural sound with an expansive dynamic range, bringing an organic and immersive listening experience.

• Versatile Input Options: Equipped with dual RCA inputs, a USB port, and Bluetooth, the DA7 enables various audio sources such as phones, tablets, laptops, and more, and features a dedicated input switch knob for seamless switching.

• Fast Digital & Wireless Connectivity: The DA7 supports USB 3.0 for high-speed audio transmission and superior sound quality. Its dual-mode Bluetooth 5.3/5.0 ensures fast pairing, stable connections, and high-resolution wireless audio with lossless clarity.  

• Dual VU Meters for Real-Time Monitoring: Featuring two analog VU meters that respond dynamically to the power amplification signal. The warm, rhythmic needle movement adds a classic touch while providing real-time audio monitoring.

• High-Quality Construction: Featuring an imported wideband EI output transformer, gold-plated pure copper connectors, and a durable steel mesh protective cover that enhances tube safety while ensuring efficient heat dissipation.  

Parameters

• Brand: Nobsound
• Model: DA7
• Audio input: Bluetooth / Stereo RCA / USB
• Audio output: Banana speaker jacks / Stereo RCA
• Tube model: 6P1*4+6N1*3
• Rated output power: 12W×2 (4Ω); 8W×2 (8Ω)
• Frequency response: 10Hz-40KHz (-3dB)
• THD: 1% (1KHz)
• SNR: 85dB
• Input sensitivity: 300mV
• Input impedance: 100KΩ
• Output impedance: 4Ω / 8Ω
• Power consumption: 150W
• Max storage of U-disk: 128G
• Supported file system of U-disk: FAT32 / ExFAT
• Supported formats of U-disk: MP3 / WMA / APE / FLAC / AAC / WAV
• Input voltage: AC 220V IN
• Dimensions (W*D*H): 318*305*155mm / 12.52*12.01*6.10in
• Package dimensions (W*D*H): 410*350*220mm / 16.14*13.78*8.66in
• Net weight: 7.6kg / 16.75lb
• Package weight: 8.5kg / 18.74lb

Packing list

• 1* DA7 Tube Amplifier
• 1* Power Cord
• 1* Bluetooth Antenna

Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping

• The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver.

Return Policy

Free Return Within 30 Days

We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided.

1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes).

If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied.

About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc.   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 customers and extremely to improve our customers’ listening experience. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at:    Working time

Beijing(CN) Monday-Friday 09:00 AM - 18:00 AM New York(US)
Sunday to Thursday 08:00 PM - 05:00 AM London(UK) Monday-Friday 01:00 AM - 10:00 AM Paris(FR) Monday-Friday 02:00 AM - 11:00 AM   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.

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