What’s the knob shaft dimensions for cutout

diameter 6mm =0.235'', length 10mm = 0.41''

What kind of battery can you power this with?

Mine has been playing continuously for an hour and ten minutes (so far) using a 3.7 volt LiPo battery. Battery was almost fully charged (4.1 volts) and is powering this little amp and a bluetooth receiver in a vintage tabletop radio converted into a bluetooth speaker. I would imagine this amp could also be powered by a single 18650 li-on battery

Does it come with the knob shown in the picture

Yes. The knob is a power switch and volume control.

What is the difference between this model and the discontinued dk-amp30w model? thank you!

I believe it is an upgraded design from the last board.

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Audio Amplifier Board

Product ID: 505178422

Details

Manufacturer
DROK
Maximum supply voltage
5 Volts
Minimum supply voltage
5 Volts
Mounting type
Surface Mount
Voltage
5 Volts

⚡5W per channel power output

🔋>90% efficiency for low energy waste

🛡️Multi-layer protection system

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294 zł

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Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Tiny Amp, Big Sound — Power Your DIY Audio Like a Pro!

BUILT TO LAST - Engineered with reverse polarity, short circuit, and overheat protection for worry-free use.
ENERGY SMART DESIGN - Operates at over 90% efficiency to keep your projects running longer and cooler.
FLEXIBLE CONTROL MODES - Switch between Class D and Class AB amplification modes to tailor your sound experience.
POWER PACKED PERFORMANCE - Delivers crisp 5W stereo output at 2Ω for immersive sound.
PREMIUM COMPONENTS INSIDE - Features gold-plated terminals and imported KEMET capacitors for superior audio clarity.

The DROK 5W+5W Mini Audio Amplifier Board is a compact, high-efficiency Class D stereo amplifier module designed for DIY audio projects. Operating at a stable 5V supply, it delivers up to 5 watts per channel with low distortion and noise. Built with premium materials including gold-plated terminals and KEMET capacitors, it ensures clear sound output and durability. Advanced protection features guard against reverse polarity, short circuits, and overheating, making it a reliable choice for Raspberry Pi, Arduino, and other embedded audio systems.

Specifications

ASIN	B077MKQJW2
Best Sellers Rank	235,160 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 1,552 in Hi-Fi Amplifiers
Brand	DROK
Customer Reviews	4.4 4.4 out of 5 stars (349)
Item Weight	0.04 Pounds
Manufacturer	DROK
Manufacturer Part Number	2001711002
Material	circuit board
Maximum Supply Voltage	5 Volts
Minimum Supply Voltage	5 Volts
Model Number	2001711002
Mounting Type	Surface Mount
Number of Channels	2
Output Power	5 Watts
Specification Met	CE, FCC, RoHS, WEEE
Voltage	5 Volts

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