Will this power up passive subwoofers ?

Yes, absolutely. That's the reason I bought it and it works just fine without spending a whole lot of money.

How hot does this amp run? The unit I currently use is very hot to the touch even after a short while.

This thing seems cool no issues

What is the input voltage range?

Not sure what your question is about. If you mean input power, it's spec'd. at 12-24 vdc. It comes with a power brick rated at 19 vdc, 4.47 amps. Input sensitivity is =< 280 mv...

I have a Harman Kardon reciver with a single rca sub connection. What cables do i need to hook my sub to this amp and the amp to my reciever

You need 1/8 audio plug to RCA adapter ..

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer

Q: I have a Harman Kardon reciver with a single rca sub connection. What cables do i need to hook my sub to this amp and the amp to my reciever

You need 1/8 audio plug to RCA adapter ..

Product ID: 58115674

Details

Item dimensions L x W x H
5.2 x 3.5 x
Manufacturer
Fosi Audio
Maximum Supply Voltage
19
Minimum Supply Voltage
19
Voltage
12

🔊100W output power

🧊Class D tech stays cool

🎚️Bass/full-frequency mode switch

421.39 DT

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In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

🎵 Elevate your bass game—because your home theater deserves the M04 magic!

PLUG PLAY READY - Complete package with power supply and manual—upgrade your home theater instantly.
POWERFUL 100 W OUTPUT - Drive your passive subwoofer with crystal-clear, room-shaking bass.
COMPACT COOL DESIGN - Sleek mini amp with efficient Class D tech that stays cool under pressure.
DUAL MODE BASS CONTROL - Seamlessly switch between subwoofer and full-frequency mono modes for tailored sound.
PRECISION SOUND ENGINEERING - Equipped with TI TPA3116 chip and NE5532 op-amp for deep, crisp low frequencies.

The Fosi Audio M04 is a compact, high-performance mono subwoofer amplifier delivering 100 watts of clean power via advanced Class D technology. Featuring a versatile bass/full-frequency mode switch and premium TI and NE5532 components, it enhances passive subwoofers with deep, precise low-end sound. Perfect for millennial professionals seeking a sleek, efficient upgrade to their home theater setup, it comes complete with power supply and user manual, backed by an 18-month warranty.

Specifications

ASIN	B07942M4MC
Best Sellers Rank	#11,161 in Electronics ( See Top 100 in Electronics ) #46 in Audio Component Amplifiers
Brand Name	Fosi Audio
Customer Reviews	4.3 4.3 out of 5 stars (546)
Included Components	Fosi Audio M04
Item Dimensions	5.2 x 3.5 x 1.4 inches
Item Weight	450 g
Manufacturer	Fosi Audio
Maximum Output Power	100 watts
Maximum Supply Voltage	19 volts_of_direct_current
Minimum Supply Voltage	19 volts_of_direct_current
Model	M04
Mounting Type	Freestanding
Number of Channels	1
Output Power	100 watts
Part Number	M04
Specification Met	[Inf] Thd <= 0.04% and Frequency Range 20hz - 120hz
Unit Count	1 Count
Voltage	12 volts_of_direct_current
Warranty Description	18-month manufacturer

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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421.39 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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