10 Best
Bluetooth Amplifier Boards
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Product Highlights- Operating voltage range: dc 12-24v (the maximum voltage does not exceed 24v).
- Efficiency: the subwoofer power amplifier module has a wide operating voltage, energy-saving design, and a power efficiency of over 90%.
- Bluetooth 5.0: 100w subwoofer amplifier board, bluetooth 5.0, frequency response range: input: 20hz-20khz, output: 20hz-180hz.
- With bass volume potentiometer control: this bass amplifier board has bass volume potentiometer control and built-in tpa3116 amplifier chip.
- Maximum output power: this power amplifier board supports up to 100w bass channel output, audio input sensitivity: 500 mv.
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Product Highlights
- Long transmission distance: the module uses bluetooth version 5.0 for longer transmission distance, up to 33 feet in an open environment.
- 3.5mm jack: if your playback device does not have bluetooth, you can also input audio through the 3.5mm headphone plug.
- Safety protection: this audio amplifier board has overheat protection, circuit protection, overvoltage and undervoltage protection.
- Sound control: if you're tired of the inherent highs and lows, why not try the treble and bass control knobs! this will give you the feeling of being in a movie theater.
- Basic performance: stereo dual channel output ensures continuous serial high power operation with thd ≤ 0.1%, wide voltage input dc12‑24v.
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Product Highlights
- Protection mechanism: this power amplifier module has short circuit protection, overcurrent, overheating, and anti reverse protection to prevent complete failure. when an overload occurs, the device reports the fault condition to the processor to protect itself from damage. with antenna and antenna base, the is better, the efficiency is high, and the anti‑interference a...
- Broad compatibility: provides a stable and fast connection with a wide range of compatibility. easy to install and use. with bass, treble, subwoofer frequency and volume control, it is widely used in shop solicitation, home theater, quadrate speakers, etc.
- Two audio input methods: this bluetooth audio 2.1 channel power amplifier module has two audio input methods, aux and bluetooth, two in one. the 5.0 bluetooth version has higher transmission efficiency and longer transmission distance.the bluetooth audio power amplifier module has 2.1 channels and the maximum output power is 2x50w+100w.
- Easy to install: it adopts copper dc connectors and barrier terminals. it can withstand high current without heating or damaging wires. no dc head lead, compatible with the input power interface of this product, even if you don't have a dc head adapter or battery, you can easily wire it.
- How to use: tip: if the audio input is sufficient and the power supply voltage/current is sufficient, there is enough output power. the higher the power supply voltage, the greater the relative power. speakers with different impedances will have different output power. in the case of sufficient voltage and current, the greater the ohm of the speaker, the smaller the rel...
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Product Highlights
- Thoughtful design: when overload occurs, digital power amplifier module will report the fault condition to the processor to preserve itself from damage.
- 5.0: digital power amplifier module features 5.0 with a transmission range of up to 49 feet (unobstructed). features a 3.5mm/0.1in aux sound input jack.
- Multiple protection mechanisms: amplifier board has various protection mechanisms to ensure its safe operation. it has short circuit protection, over current, overheat and anti reverse protection.
- Convenient to use: sound power amplifier board is easy to use, the dc adapter (plug size 5.5x2.1mm / 0.2x0.1in) on the market can basically meet the needs of for zk mt21 power amplifier board.
- More layered sound: power amplifier board by adjusting the high and low frequency knobs of for zk mt21, you can make the sound more layered and the bass more shocking.
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Product Highlights
- 【convenient to use】with small size, easy to carry and store, convenient to use and with good performance.
- 【protection mechanism】the protection mechanism includes overvoltage, undervoltage, overheating, dc detection, and short circuit protection, which is relatively safe.
- 【function】with aux + for audio input, subwoofer + left and right channel output.
- 【am interference】the power amplifier chip has am interference suppression function.
- 【strong and durable】using high quality materials, strong and durable, has a long service life.
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Product Highlights
- Built-in filter capacitor: the built in filter capacitor of this digital power amplifier module makes it available for processing sound . knob potentiometer design, convenient to adjust power on and off, v+ and v‑.
- Protection mechanism: adopt acrylic protective shell design, with reverse connection protection, overvoltage protection, undervoltage protection, over temperature protection, short circuit protection. self recovery overheating protection.
- Strong compatibility: the amplifier module is equipped with a terminal block and a dc 2.1mm socket, which is compatible with most laptop power ports. can directly connect to wireless bluetooth 5.0. and compatible with a variety of speakers. two 20w, 30w or 50w power amplifier boards are equipped with various speakers (4 to 8 ω), and support bluetooth stereo audio input ...
- Adapted power supply voltage: 5-24v (optional 9v/12v/15v18v/24v and other adapters, high power recommended high voltage). to noise ratio: >90 db. adapted speakers: 30w-200 w, 4ω-8ω.
- Wide range of applications: this bluetooth speaker power amplifier board has no pops sound when powering on, skipping songs and pausing. it is widely used in refitting speakers, power amplifier equipment, and car bluetooth equipment.
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Product Highlights
- Working range: dual channel of 50w+50w power output, 100w subwoofer output and a wide input voltage range from 12v to 26v dc
- Great for turning: applicable speaker impedance are 4/6/8 ohm, great for turning normal speaker into bluetooth speaker.
- Reasonable design: digital amplifier has a higher overload capacity than analog amplifier, and it won't cause crossover distortion, transient inter modulation distortion and you don't have to worry about the loudspeaker internal resistance
- Practicality: sound quality is very good by using this audio power amplifier module so it's a practical too for your choice.
- Wide application: it supports many audio input ways including bluetooth, usb, tf card and audio input jack
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Product Highlights
- Faster in cooling: 2pcs tpa3116d2 together with heat sinks cling to the casing for auxiliary heat dissipation, and the bottom is ventilated and unsealed, also has larger and more sufficient heat dissipation area.
- The pretty sounds: moreover, the amp module supports the arbitrary adjustment of 10 kinds of custom sound effect, so that different speakers can achieve better sound effects.
- Multiple function: support the modification of bluetooth name, password setting, prompt tone volume adjustment, on and off prompt tone, sound effect selection and customization, usb flash disk playlist, volume indicator brightness adjustment.
- Simple to install: comes with a light weight and a compact size as well, the bluetooth amplifier board enables convenient installation that can be quickly finished.
- Premium filtering: 9pcs smd solid state capacitor and integrated large inductance with sufficient current and power has better filtering and energy storage effect and longer service life.
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