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 mini size fits any desktop

🔊TPA3116D2 chip for crystal-clear sound

B/.103

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Unleash deep bass power in a sleek mini package — don’t let your sound system miss out!

SLEEK SPACE SAVVY - Super mini design with a solid shell that fits seamlessly on your desk or subwoofer.
PURE POWER PURE BASS - Delivers a robust 100W output to elevate your subwoofer’s low-end impact.
CUSTOMIZABLE POWER OPTIONS - Supports 12-24V power supplies (4A+ recommended) so you can choose your preferred high-quality adapter.
UNIVERSAL AUX CONNECTIVITY - Easily connect phones, TVs, or CD players via 3.5mm AUX input for versatile audio sources.
PRECISION SOUND ENGINEERING - Equipped with the advanced TPA3116D2 chip for distortion-free, high-fidelity audio.

The Nobsound 100W Subwoofer Digital Power Amplifier is a compact, high-performance mini amp designed exclusively for passive subwoofers. Powered by the TPA3116D2 chip, it delivers clean, distortion-free 100W output with smooth volume control. Its ultra-compact size and solid build make it perfect for desktop placement, while the 3.5mm AUX input ensures easy connection to multiple audio sources. Note: requires a separate 12-24V power supply (4A+ recommended) for optimal performance.

Specifications

ASIN	B072KDNW3F
Best Sellers Rank	#47,556 in Electronics ( See Top 100 in Electronics ) #268 in Audio Component Amplifiers
Brand Name	Nobsound
Customer Reviews	4.0 4.0 out of 5 stars (873)
Item Dimensions	2.7 x 1.3 x 3.54 inches
Item Weight	0.2 kg
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
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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