Is it possible to buy replacement boards from the manufacturer? I dont need the housing.

Hello. We have boards for sale, sub version: https://www.amazon.com/dp/B07H337F4L?ref=myi_title_dp full frequency version: https://www.amazon.com/dp/B07H339BFP?ref=myi_title_dp

What is the input jack? RCA? 3.5?

3.5. I run rca into a 3.5 from my radio

Power on/off creates a loud annoying pop. I would like to shut the output with a capacitor to suppress the pop. What capacitor value and voltage?

I was very concerned with the very loud pop and found the only solution was to use: https://www.amazon.com/gp/product/B097T2YNB4/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&th=1 I use this as the speaker cable and before shutting off the amplifier, I flip the switch on the speaker cable, disconnecting the speaker from the amp. It works perfectly.

will this work with an input from a preamp?

Not sure. I used input from a receiver and that worked.

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Nobsound 100W Subwoofer Digital Power Amplifier Audio Mini Amp (Black)

Nobsound 100W Subwoofer Digital Power Amplifier Audio Mini Amp (Black)

Product ID: 45551265

Details

Item dimensions L x W x H
2.7 x 1.3 x
Manufacturer
Nobsound
Maximum Supply Voltage
25
Minimum Supply Voltage
12
Voltage
25

⚡100W high power output

📏Compact 2.7x1.3x3.54 inch size

🎚️Smooth volume control knob

HK$377

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Description

🎧 Elevate your bass game with compact power that commands attention!

PURE POWER PUNCH - Delivers a robust 100W output to supercharge your passive subwoofer with deep, immersive bass.
SPACE SAVVY DESIGN - Super mini size and sleek solid shell fit effortlessly on your desktop or subwoofer without clutter.
SEAMLESS CONNECTIVITY - 3.5mm AUX input lets you plug in phones, TVs, or CD players instantly—no hassle, just pure sound.
PRECISION VOLUME CONTROL - Smooth knob dial for effortless, fine-tuned audio adjustments that match your vibe perfectly.
CUSTOMIZABLE POWER OPTIONS - Choose your ideal 12-24V power supply (4A+) to tailor performance and reliability to your setup.

The Nobsound 100W Subwoofer Digital Power Amplifier is a compact, high-performance mini amp designed exclusively for passive subwoofers. Featuring a TPA3116D2 chip, it delivers crisp, powerful 100W output with smooth volume control and versatile 3.5mm AUX input. Its sleek, solid build fits neatly on desktops or subwoofers, making it an ideal upgrade for audiophiles seeking deep bass impact without bulky gear. Note: requires a separate 12-24V, 4A+ power supply for optimal performance.

Specifications

ASIN	B072KDNW3F
Best Sellers Rank	#50,663 in Electronics ( See Top 100 in Electronics ) #297 in Audio Component Amplifiers
Brand Name	Nobsound
Customer Reviews	4.0 out of 5 stars 873 Reviews
Item Dimensions	2.7 x 1.3 x 3.54 inches
Item Weight	0.2 kg
Item dimensions L x W x H	2.7 x 1.3 x 3.54 inches
Manufacturer	Nobsound
Maximum Output Power	100W
Maximum Supply Voltage	25 volts_of_direct_current
Minimum Supply Voltage	12 volts_of_direct_current
Model	4330353845
Mounting Type	On Your Desktop
Number of Channels	1
Number of Items	1
Number of Packs	1
Output Power	100 watts
Part Number	SUB&FR
Specification Met	Industry Standards (Hifi)
Unit Count	1 Count
Voltage	25 volts_of_direct_current

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HK$377

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

1 month ago

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