TWS Bluetooth Amplifier Board, PEMENOL DC 7-24V 100W Mono Audio Energy Amplifier Module with Field Matching Operate Assist AUX/Bluetooth/USB for DIY Digital Equipment Automobile House
Original price was: $19.99.$17.59Current price is: $17.59.
Value: $19.99 - $17.59
(as of Mar 11, 2025 00:47:25 UTC – Particulars)
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Product Dimensions : 2.36 x 1.57 x 0.79 inches; 3.21 ounces
Merchandise mannequin quantity : GY20961-2
Date First Accessible : March 15, 2023
Producer : PEMENOL
ASIN : B0BYJNYDGD
Nation of Origin : China
【TWS MODE】: PEMENOL energy amplifier options field matching perform, which permits for simple separation of left and proper channels utilizing two Bluetooth energy amplifier modules of the identical mannequin. Take pleasure in a extra genuine music or film expertise with none wired connections. Moreover, the PEMENOL energy amplifier module boasts excessive constancy sound high quality and helps a number of audio enter strategies, making it the proper selection to your non-public audio and video area.
【TWO INDICATOR】: PEMENOL Bluetooth energy amplifier module options two indicators that present clear standing info. The work indicator exhibits whether or not the module is working correctly, whereas the TWS indicator signifies whether or not the module is in TWS mode for simpler management and operation. This considerate design makes it easy to make use of the module and revel in high-quality music.
【KNOB FUNCTION】: Energy amplifier module encompasses a multi-functional knob design, permitting for adjustable quantity, audio playback/pause, and subsequent observe switching. It may also be long-pressed for energy on/off and triple-pressed to enter TWS mode, enhancing your audio expertise. Moreover, the finely manufactured knob operates easily and comfortably, enabling quick access to all capabilities and maximizing your enjoyment of music and films.
【4 AUDIO INPUTS】: Bluetooth energy amplifier module boasts 4 audio inputs – Bluetooth, AUX, USB flash drive, and USB sound card. Connect with your system wirelessly by way of Bluetooth, or to a TV, pc or audio system by way of the AUX enter. USB flash drive and USB sound card inputs are additionally supported, permitting for simple playback of music recordsdata or pc audio. With a number of enter choices, you may simply select the one which most accurately fits your wants for a high-quality audio expertise.
【WIDE APPLICATION】: PEMENOL Bluetooth energy amplifier module, outfitted with TWS perform, is a strong audio system extensively utilized in DIY Bluetooth audio and different fields. Its glorious sound high quality offers high-quality music and film expertise at house or within the workplace. Simple to put in and use, it is a sensible selection for music lovers and informal customers alike. Select PEMENOL for a high-quality, user-friendly, and sensible audio gear.
Prospects say
Prospects admire the amp’s sound high quality, dimension, and worth for cash. They discover it a helpful audio receiver in a small bundle with no distortion. A lot of them are happy with its ease of use and energy. Nonetheless, some prospects have points with compatibility and have differing opinions on its performance.
8 reviews for TWS Bluetooth Amplifier Board, PEMENOL DC 7-24V 100W Mono Audio Energy Amplifier Module with Field Matching Operate Assist AUX/Bluetooth/USB for DIY Digital Equipment Automobile House
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Original price was: $19.99.$17.59Current price is: $17.59.
LS –
Simply Great – A great choice for homemade boomboxes
Great power output for the size, doesn’t use too much power. The TWS is a pretty cool feature for pairing 2 of these unit together.This is exactly what you’re looking for if you’re building a boombox/rugged speaker. I would absolutely recommend this one for use in single speaker, lower wattage applications. Especially when battery powered. Protip, run this at 24v for max power output
Igor Nikonov –
Very good Class D Amplifier for this price
Very good Class D Amplifier for this priceThis is class D amplifier (sometimes it is called “digital” amplifier.The advantage of class D is very high efficiency >90%.The disadvantage is higher distortions, but in most applications, it wouldn’t matter, and people wouldn’t hear it.I powered the amplifier from the bench Power Supply and tested it at different voltages, measuring the input power (Pin, W) and the output power (Pout, W) at 4 Ohm load, using sinewave generator at my phone over Bluetooth, as the input signal.Two Oscilloscope channels were connected to two output terminals (this is a “bridge” amplifier and load is connected between two active outputs). The output peak-to-peak voltage (Vp-p) was measured.The output power was calculated Pout = ((Vp-p) * 0.7)^2 / 4.Volume was adjusted to provide maximum output amplitude without clipping.Results (1kHz, 4 Ohm):Vin = 12V, Iin = 1.3A, Pin = 15.6W, Pout = (11.0*0.7)^2 / 4 = 14.8W, Efficiency = Pout / Pin * 100% = 95%Vin = 16V, Iin = 1.6A, Pin = 25.6W, Pout = (14.0*0.7)^2 / 4 = 24W , Eff = 94%Vin = 20V, Iin = 1.95A, Pin = 39W, Pout = (17.0*0.7)^2 / 4 = 35.4W, Eff = 91%Vin = 24V, Iin = 2.25A, Pin = 54W, Pout = (19.8*0.7)^2 / 4 = 48W, Eff = 89%• Note: The Amplifier output was shutting down after 10 seconds and coming back in a few seconds as a result of over-temperature protection., because the Test was conducted with the continues sinewave and the amplifier is not designed for this condition. Normal audio signal has significantly lower average power.Result (1kHz, 3 Ohm):Vin = 24V, Iin = 2.98A, Pin = 71.5W, Pout = (19.6*0.7)^2 / 3 = 62.7W, Eff = 88%• Note: Over-temperature protection was shutting down the output after 1 second and coming back in a few seconds.•Frequency Response:20Hz – 18kHz• Note: My Generator lowest frequency is 20Hz and I couldn’t test it below.• There is no output signal above 18kHz.What I like:Small sizeQualityEfficiencyBT and analog inputWhat can be improved:The heatsink is attached with double-sided tape, which is not very secure and doesn’t provide good heat transfer.Conclusion:Very good class D amplifier for the money
PHILLIP R. –
Tws works good
Tws works good. Took me a few times to get it to link. Directions from this page help. The package came with no written directions.We will see how the amps hold up over time.
Phillip L. –
Tws instructions
Although it doesn’t come with the instructions on how to connect two together (TWS Mode), I found what I believe is that resolve.Connect One amp to a bluetooth source (phone, mp3 player, etc), and leave the other disconnected from said bluetooth source. Click the potentiometer (volume knob) three times on the amp that is connected to the source. Then click the second/other (disconnected) potentiometer three times. Both amps should show a rapid flashing blue/red light indicating they have activated ‘pairing mode’. In 1-5 seconds you should hear an audio sound from both amps/speakers. The flashing lights will then show synchronized slow flashing.Note: Although they are now in ‘tws mode’ volumes are still individually maintained.I have purchased a total of 19 of these amps over the course of 2 years (used in bluetooth speaker boxes). Every Single One is still in perfect working order. When using the correct power and speakers, these things are monsters of sound. I highly recommend.Buy one or two, and make up your own mind.
Todd B. –
TWS doesn’t work
Endless loop of beeps trying to connect and fail to connect. Still using as they are simple amps and sound great, they do the job if you do not care about linking two together
Ryan Fuller –
Great DIY Turtlebox AMP
Works great, pushes a 6×9 like a champ
milan –
Good sound
Nice amp with Bluetooth built in. You will need a hefty power supply to get great sound out of it.
Mark D. –
Powerful Amp, Reviews Helped
It’s velcroed to, and using only 12v 3A power supply. Other reviews on wattage was near perfect for my 20 watt driver in a cup for hanging out and tailgating. Only needs 96 watts, so I can use my small Ryobi 150 watt inverter. Added a tiny blower fan 12V 0.1A aimed at the heat sink. I scraped off a square center of heat sink adhesive and placed a drop of thermal paste. Also, turned it all the way up and pulled out knob as it’s not needed. Bluetooth is automatic when powered up and just use volume on my phone, at 100% volumes on both amp and phone, no distortion heard; I did place dampening stick on pieces inside the cup. Very happy and is very loud, make the cup dance around a bit if not in a cup holder.