counter for wordpress

Fosi Audio BT20A Amplifier 48V TPA3255 Bluetooth 2 Channel – No Power Cord

By |July 23rd, 2026|

The Fosi Audio BT20A Amplifier is a high-quality 2 channel amplifier with a frequency range of 20Hz-20kHz(±1.2dB) and a power output of 300W x2 @4Ω. It features Bluetooth 5.0 connectivity and is compatible with antennas. The amplifier is designed for Hi-Fi audio performance with a THD of ≤0.005% and a SNR of ≥108dB. With a digital chip set of TPA3255, this amplifier offers excellent audio quality and is suitable for home audio systems. The product also includes features like RCA inputs, banana speaker jacks, and a 1-year manufacturer warranty.

Fosi Audio BT20A Pro TPA32552 Bluetooth 5.0 2.0 Channel Class D Hi-Fi Amplifier

By |July 23rd, 2026|

New inbox, I broke the seal to look at it.

Fosi Audio BT20A Pro 48V GaN Amplifier Bluetooth Home Stereo HiFi ClassD TPA3255

By |July 23rd, 2026|

High Efficiency: A significant upgrade from the BT20A amplifier. To create a different sound quality. SNR≥108dB; THD≤0.005%. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects.

Fosi Audio BT20A Pro Stereo Bluetooth 2Channel Amplifier Upgraded Integrated sJ

By |July 23rd, 2026|

High Efficiency: A significant upgrade from the BT20A amplifier. To create a different sound quality. SNR≥108dB; THD≤0.005%. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects.

Fosi Audio BT20A Pro TPA32552 Bluetooth 5.0 Class D 2.0 Channel Hi-Fi Amplifier

By |July 23rd, 2026|

Store CategoriesStore CategoriesMono Amplifiersubwoofer amplifierOtherFosi Audio BT20A Pro 300W x2 TPA3255 Bluetooth 5.0 Home Audio Stereo 2 Channel Amplifier Receiver Mini Hi-Fi Class D Upgraded Integrated Amp for Speakers with Bass Treble Control Product Description Features: 300 Watts x2 Power Output: Provided by the TI TPA3255 chip which features an advanced feedback design and proprietary high-speed gate driver error correction. In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5W. High Efficiency: A significant upgrade from the BT20A amplifier. There're two plug-ins NE5532 Op-Amps can be replaced by MUSES02/OPA26041P/OPA2134PA Op-Amps etc. To create a different sound quality. SNR≥108dB; THD≤0.005%. Upgraded Bluetooth 5.0 connectivity: By pressing and holding the volume control for five seconds, the Bluetooth pair can be cleared. In addition, it has a Bluetooth memory function, so it can be easily paired the next time. It also receives an alert tone. Sound Control: With its unique design, the BT20A Pro amplifier for home audio has a wide range of bass and treble controls. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects. Specifications: Model:BT20A PRO Output Power:300Wx2 @4Ω Terminating Impedance:2-8Ω Input Mode:Bluetooth + RCA Output Mode:Passive Speakers + Pre-out Frequency Range:20Hz-20kHz(±1.2dB) THD ≤0.005% SNR ≥108dB Chip Set:TPA3255 Bluetooth Transmission Distance:Up to 50Ft Bluetooth Transmission Format:SBC/AAC Device Dimension:5x5x1 inches DC Input Range:24-48V Power Supply:32V 5A What‘s in the box? BT20A Pro Power Amplifier x 1 Bluetooth Antenna x 1 32V 5A Power Adapter x 1 AC Cord x 1 User’s Manual x 1 Copyright © 2023 Dianxiaomi

Fosi Audio BT20A Pro TPA3255 Bluetooth Amplifier 600W Hi-Fi 48V GaN power Supply

By |July 23rd, 2026|

Compared to the standard BT20A, the BT20A Pro features improved circuit design and higher overall efficiency. Model: BT20A Pro. Amplifier Chip: TI TPA3255. BT20A Pro Power Amplifier ×1. Included Power Adapter: 48V GaN.

Fosi BT20A PRO Amplifier HiFi Class D Bluetooth 5.0 Home Stereo + Banana Plug*4

By |July 23rd, 2026|

Compared to the standard BT20A, the BT20A Pro features improved circuit design and higher overall efficiency. Model: BT20A Pro. BT20A Pro Power Amplifier ×1. Amplifier Boards. Car amplifier. 4CH Amplifier.

Fosi Audio BT20A Pro Audio Amplifier Bluetooth Home Stereo HiFi Class D 48V/32V

By |July 23rd, 2026|

The Fosi Audio BT20A Pro Audio Amplifier is a high-quality home stereo HiFi amplifier that delivers powerful sound with a frequency range of 20Hz-20kHz. With a DC input range of 24-48V and an output power of 300W x2 @4Ω, this amplifier is designed for optimal performance. It features Bluetooth 5.0 connectivity, RCA inputs, and banana speaker jacks for versatile audio integration. The sleek blue design, along with the 32V 5A power supply, makes it a stylish and efficient choice for any home audio setup. With a manufacturer warranty of 2 years, the BT20A-PRO is a reliable option for those seeking premium sound quality.

Fosi Audio BT20A PRO 300WX2 TPA3255 Bluetooth 2 Channel Class D Amplifiers Hi-Fi

By |July 23rd, 2026|

200-Watt Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Hi-Fi Speaker Power Amp

By |July 23rd, 2026|

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