Audiophile-Grade Components: It features the TPA3255 high-end digital class D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality.
Construct your own high-performance Bluetooth speaker effortlessly and with style—transform your listening experience and let your creativity soar. Power Amplifier Board Bluetooth 5.2 2.1 Channel. Why Choose Our Power Amplifier Board?.
Weight: Lightweight mini design. - Size: Compact desktop chassis. - Crystal-clear audio — SINAD of 88dB and SNR up to 110dB for low distortion.
【300Wx2 High Efficiency】A significant upgrade from the BT20A amplifier. Maximum Output: 300W×2; SNR≥108dB; THD≤0.005%. A confirmation tone plays upon successful pairing. Alternatively, you can set the treble and bass effects to the midpoint to hear the original sound without effects.
Fosi Audio BT20A PRO 2-Channel Power Amplifier Class D Stereo RCA Silver Orange
Fosi Audio BT20A PRO Bluetooth 2-Channel Hi-Fi Amplifier Class D
Tone off design and HiFi clear sound: presenting music with rousing highs and deep lows, more delicate and smooth sound can be enjoyed by adjusting treble / bass knob, also with bypass function to enjoy original sound. Strong compatibility and large output power: besides RCA, with Bluetooth 5.0 input supports up to 50ft connection range, stable and low delay. 2PCS TPA3116 chip, max output power can reach 200W, comes with 19V power supply, can drive 200W (8Ω) or 300W(4Ω) speakers. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Add-on Items US WareHouse Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Empty Chassis Power Supply HiFi Speaker Audio Cable Vacuum Tube Radio Communication Audio Accessories Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Add-on Items US WareHouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Processor Audio Adapter / Converter Audio Splitter & Switcher Music Spectrum & Clock Audio Player & Turntable Parts Audio Board & DIY Kit Radio Communication Audio Accessories Other Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Empty Chassis Power Supply HiFi Speaker Audio Cable Vacuum Tube Radio Communication Audio Accessories Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Nobsound Mini Bluetooth Digital Amplifier HiFi Stereo Audio Power Amp 100W+100W Item description USA Warehouse delivery makes you have it within 1-6 bz days. Latest version, released in 2021, overall upgrading in both appearance and sound quality. Features Tone off design and HiFi clear sound: more delicate and smooth sound can be enjoyed by adjusting treble / bass knob, presenting music with rousing highs and deep lows, also with bypass function to enjoy original sound. Strong compatibility and large output power: besides RCA, with Bluetooth 5.0 input supports up to 50ft connection range, stable and low delay. 2PCS TPA3116 chip, max output power can reach 200W, comes with 19V power supply, can drive 200W (8Ω) or 300W(4Ω) speakers. Unique design in appearance and technology: AUX / Bluetooth switch with red / blue indicator; pure integrated aluminum case and knob with multiprocess fine treatment, CNC precision cutting ; curved smooth edges highlights its unibody design; metal DC outlet, no electric sparks flying. Mini size and easy use but powerful and practical: with perfect protection circuit, perfectly suitable for desktop or a smaller space in home or office, easy to connect to your audio system, especially designed for the audiophiles who pursue HiFi sound. Parameters Brand: Nobsound Model: NS-15G Number of channel: 2.0 Audio input: Bluetooth / stereo L/R RCA Audio ouput: banana speaker jacks Amp chip: TPA3116D2 ×2 Max. output power: 100W+100W (above 24V@8A / 4Ω) Output impedance: 4Ω-8Ω Treble and bass range: ±10dB Tone bypass function: support Frequency range: 18Hz-25kHz THD: ≤ 0.01% SNR: ≥ 98dB Input sensitivity: 1.1V Matched speakers: 3-10 inch 20-200W Working voltage: DC 12V-24V Dimensions(W*D*H): 92*108*30mm / 3.62*4.25*1.18in Package dimensions(W*D*H): 150*150*50mm / 5.91*5.91*1.97in Net weight: 320g / 0.71lb Package weight: 900g / 1.98lb Packing List 1× NS-15G Amplifier 1× 19V Power Supply (Optional) 1× User Manual 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-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 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. Home Feedback Save Seller New Listed Ending Soon Contact us
It can reduce noise interference, resulting in a clean, detailed audio performance. Its enhanced design includes a built-in silent fan, improving cooling efficiency by 30% over the PRO version for stable, high-power performance.
This Class A single-ended vacuum tube amplifier adopts hand welding to ensure the true reality of the sound quality. This amplifier adopts transformer parallel output to reduce its internal resistance by half and achieve doubled improvement on its power. Using antimagnetic transformer covers to shield current interference and achieve much lower static noise. Its sound output is full of analog style. The bass part is deep and powerful and the vocal part is sweet and intoxicating. It has a classic and graceful appearance. The VU meters and vacuum tubes make it more elegant and attractive. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Add-on Items US WareHouse Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Empty Chassis Power Supply HiFi Speaker Audio Cable Vacuum Tube Radio Communication Audio Accessories Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Add-on Items US WareHouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Processor Audio Adapter / Converter Audio Splitter & Switcher Music Spectrum & Clock Audio Player & Turntable Parts Audio Board & DIY Kit Radio Communication Audio Accessories Other Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Empty Chassis Power Supply HiFi Speaker Audio Cable Vacuum Tube Radio Communication Audio Accessories Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Nobsound HiFi Vacuum Tube Amplifier Class A Single-Ended Stereo Desk Audio Amp Item description Warm tips: 1. Please make sure all vacuum tubes has been inserted fully and tightly before turning on the amp, otherwise the amp will be damaged. 2. Due to the scarcity of electronic tubes and the instability of inventory, the actual shipment will be replaced with different types of electronic tubes according to the actual situation. All replacement components are of the same level, and there is no difference in function and effect. Please understand. If you mind, please do not buy. Features This Class A single-ended vacuum tube amplifier adopts hand welding to ensure the true reality of the sound quality. This amplifier adopts transformer parallel output to reduce its internal resistance by half and achieve doubled improvement on its power. Using antimagnetic transformer covers to shield current interference and achieve much lower static noise. Its sound output is full of analog style. The bass part is deep and powerful and the vocal part is sweet and intoxicating. It has a classic and graceful appearance. The VU meters and vacuum tubes make it more elegant and attractive. Parameters Output power: 6.8W * 2 Frequency response: 20Hz-20KHz Input impedance: 100KΩ Output impedance: 4/8Ω SNR: 90db Input Sensitivity: 500mv-2000mv Harmonic distortion: 1% (1KHz) Tube: 5U4C * 1 + 6H3N * 2 + 6N1N* 4 Working voltage: 110V / 220V Weight: about 7 kg Dimensions (W*D*H): 260mm * 215mm(Plus terminal and knob 260mm) * 150mm Packing List 1×Finished Tube Amplifier 1×Power Cord 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-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 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. Home Feedback Save Seller New Listed Ending Soon Contact us