This compact Bluetooth audio amplifier allows the connection of Bluetooth devices to low impedance speakers via the built-in power amplifier. It also has an auxiliary input so devices can be connected by 3.5mm jack connection.
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Adastra A4-PLUS 4 Channel Bluetooth Stereo Amplifier 4 x 300W 4 ohms. Audio & Signal Processing. Discover our extensive selection of products, ranging from handcrafted custom audio cables, made in-house, to high-quality wireless speakers and bespoke audio systems.
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Despite its mini size(can be hold with one hand), the output power is improved to 100W(50W 2) with the upgraded chip. Its power output far exceeds its size. Rated Power: 50W 2. Supporting AUX, USB, Bluetooth inputs.
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Model: BT30D. 1x BT30D Amplifier. BLUETOOTH AMPLIFIER. HEADPHONE AMPLIFIER. Supports wireless playback from Bluetooth devices, Bluetooth 5.0 wireless music streaming technology with external antenna make a transmission distance of more than 15m/49ft.
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With 5 kinds of analog and digital audio input (Bluetooth 5.0 / USB / Coaxial / Optical / 2 groups of RCA), compatible with almost all audio devices such as MP3, phone, tablet, computer, CD players etc. to meet different needs of home audio systems. U-disk input supports lossless formats such as APE, FLAC, WAV etc., easy to enjoy HiFi music. Besides speaker output (4/6/8Ω), a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio systems, which can strengthen bass sound effects to bring more shocking experience just like in the cinema. With treble and bass control to bring more delicate sound according to your own listening style. Integrated design of vacuum tubes and transistors, using 6U1/6A2/ECH81 tube for pre-amplificatoin, WY2P tube for recti.
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Unique output design and independent control: 4.0 channel can be divided into two groups of 2.0 channel outputs, and the volume of each group can be adjusted separately. And specailly design a low frequency output to connect active subwoofer, very convenient to build 2.0/2.1/4.0/4.1 channel system. Rated 45W × 4 output power: supporst speakers with 4-8 ohm impedance, easily to drive most home & car & boat speakers, can give your entertainment system a boost, with unrivaled sound superiority and lets you enjoy high quality amplified audio. Multiple audio inputs: besides Bluetooth5.0/stereo RCA/3.5mm AUX inputs, which can be compatible with ipad, cellphone, MP3 player, CD player, dataplay, computer, decoder, etc. Also with USB(U-disk)/SD Card/MMC Card inputs, easily to enjoy high-quality los.
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Out Power: 2000W. - Lossless 3D stereo sound makes the car sound-quality a-new-look. Number of Channels: 4. Output Channel: 4 + 2. - The product does not change any original car parts, and the non-destructive installation realizes the original car audio upgrade in a simple way.
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5.1 Channel Amplifier with Professional DSP Decoding: M5.1PRO supports 2.0/2.1/3.1/4.1/5.1 channel outputs, allowing you to switch according to your preferences and room layout for a more realistic and immersive listening experience. With an integrated Digital Signal Processing (DSP) chip that applies professional algorithms and dynamic separation technology to ensure rich detail and clear layers in the sound, offering a versatile auditory experience. Multiple Inputs for Different Purposes: Including Bluetooth 5.1/Coaxial/Optical/U-disk/Hard disk/SD Card inputs, making it highly compatible and able to work seamlessly with most home audio devices. U-disk input supports MP3, WAV, APE, FLAC, and other lossless formats, enabling you to enjoy high-quality music anytime.
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