I plan to use this to drive piezoelectric tweeters at ultrasonic frequencies. What is the upper range of this amplifier?

The TI datasheet for the chip used in this amplifier shows about 28db of gain in a pretty flatline between 20 Hz to almost 40KHz. By 100KHz you lose about 6db of gain. So assuming their isn't additional RC filtering on your input signal. All bets are off with Bluetooth though. My guess is you are going to lose anything about the typically specified 20 - 20KHz using a bluetooth input just due to the ADC limitations.

Do you know what size of nut I need for the volume nob? I need a new one

Bring the board to a hardware store and see if you can find one, but being such a big ID and small OD and super thin, you're going to be hard pressed to find one without ordering the specific potentiometer

can you custom name the bluetooth device?

Yes on a iPhone you can! Go to blue tooth devices.... click the name you connected to ( when connected to the device) go to info and rename device.

Why am i getting a buzzung when there is no music? Very small audible hum

I initially had a hum when I plugged into the headphone jack of my tv as well. I simply had to adjust the tv sound settings to Theater mode and the hum went away and the sound now works great!

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- TW1002 Bluetooth Power Amplifier Board, 100W+100W 2.0 Channel Stereo AMP Board with TPA3116 Chip, TWS Pairing, Bass Treble Volume Control, Bluetooth/AUX/USB Input

Product ID: 160287121

Details

Item dimensions L x W x H
4.33 x 2.32 x
Manufacturer
DAMGOO
Maximum Supply Voltage
24
Minimum Supply Voltage
9
Voltage
24 volts

🔊200W peak stereo power

🔗TWS wireless stereo pairing

🎚️Independent bass & treble control

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Description

🎧 Elevate your sound game with wireless power and precision control!

DIY READY COMPACT DESIGN - Compact and versatile, perfect for upgrading your desktop audio or building custom speaker projects.
CUSTOMIZABLE SOUND PROFILE - Fine-tune bass, treble, and volume independently to match your unique audio taste.
POWER PACKED STEREO OUTPUT - Delivers a robust 100W+100W output for immersive sound that fills any room.
TRUE WIRELESS STEREO PAIRING - Wirelessly link two units for a dynamic stereo experience without messy cables.
SEAMLESS MULTI SOURCE CONNECTIVITY - Effortlessly switch between Bluetooth, AUX, and USB inputs supporting WAV, FLAC, APE, and MP3 formats.

The TW1002 Bluetooth Power Amplifier Board by DAMGOO is a compact yet powerful 2.0 channel stereo amplifier delivering up to 200W total output. Featuring the efficient TPA3116 chip, it supports Bluetooth, AUX, and USB inputs with broad audio format compatibility. Its standout TWS pairing enables wireless stereo linking of two units, while independent bass, treble, and volume controls offer personalized sound tuning. Ideal for DIY audio projects and desktop systems, it operates on 12-24V DC power and comes with a 1-year manufacturer warranty.

Specifications

ASIN	B07XG33WPN
Best Sellers Rank	#110,008 in Electronics ( See Top 100 in Electronics ) #690 in Audio Component Amplifiers
Brand Name	DAMGOO
Customer Reviews	4.5 out of 5 stars 1,194 Reviews
Included Components	Quick Start Guide
Item Dimensions	4.37 x 2.95 x 1.02 inches
Item Weight	130 g
Item dimensions L x W x H	4.37 x 2.95 x 1.02 inches
Manufacturer	DAMGOO
Maximum Output Power	200
Maximum Supply Voltage	24 volts_of_direct_current
Minimum Supply Voltage	5 volts
Model	ZK-1002
Mounting Type	Surface Mount
Number of Channels	2
Number of Items	1
Number of Packs	1
Output Power	200 watts
Package Type Name	anti-static bag
Part Number	1002
Supply Current	5 A
UPC	194852390287
Unit Count	1 Count
Voltage	24 volts_of_direct_current
Warranty Description	1 Year Manufacturer

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B/.70

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Panama.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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