Can this connect to 4 wharfedale diamond 9.1 speakers and a denon m41 cd player? thanks.

You can connect 2 passive speakers, 1 passive subwoofer, 1 powered speakers/powered subwoofer to DIY a stereo sound system.

What is the Wrms power output for 8 ohm speakers?

The max power output is 165W×2+350W

What's the rms wattage not max?

Hello, the maximum output value of this product is: 165W×2+350W. If your problem is not solved, you can contact our customer service, we have 24-Hour quick customer service for you.

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Fosi Audio BT30D Pro Mini Bluetooth Amplifier Hifi, 2.1 Channel Subwoofer Amp, with TPA3255 Chips 165W x2+350W and Bass Treble Controls, for Home Desktop Outdoor Bookshelf Speakers Subwoofers

Fosi Audio BT30D Pro Mini Bluetooth Amplifier Hifi, 2.1 Channel Subwoofer Amp, with TPA3255 Chips 165W x2+350W and Bass Treble Controls, for Home Desktop Outdoor Bookshelf Speakers Subwoofers

Product ID: 512761052

Details

Audio output mode
Stereo
Brand
Fosi Audio
Colour
Black
Compatible devices
Speaker
Connectivity technology
Bluetooth
Connector type
RCA

📶Bluetooth 5.0 with 15m+ range

🔊165W x2 + 350W power output

🎚️Adjustable bass & treble controls

Description

🎧 Elevate your soundscape—small amp, massive impact!

POWERHOUSE PERFORMANCE - Dual TPA3255 chips deliver crystal-clear 165W×2 + 350W subwoofer power for immersive sound.
PLUG PLAY VERSATILITY - Supports passive speakers & subwoofers with multiple outputs plus a 3.5mm pre-out for easy system expansion.
COMPACT DURABLE DESIGN - All-metal chassis fits discreetly anywhere while promising long-lasting reliability and premium feel.
SEAMLESS WIRELESS FREEDOM - Bluetooth 5.0 ensures stable, lag-free streaming up to 15 meters—perfect for indoor & outdoor setups.
TAILORED AUDIO EXPERIENCE - Dedicated SUB FREQ & SUB VOL knobs let you sculpt bass depth and volume to your vibe.

The Fosi Audio BT30D Pro is a compact yet powerful 2.1 channel Bluetooth amplifier featuring dual Texas Instruments TPA3255 Class-D chips delivering 165W per channel plus 350W to a subwoofer. It offers precise bass and treble controls, stable Bluetooth 5.0 connectivity with over 15 meters range, and a robust all-metal build. Ideal for home, desktop, or outdoor use, it supports passive speakers and subwoofers with versatile input/output options and comes backed by a 2-year warranty.

Specifications

ASIN	B09YNBHR73
Best Sellers Rank	1,476 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 1 in Hi-Fi Amplifiers
Box Contents	32V power supply
Brand Name	Fosi Audio
Country of Origin	China
Customer Reviews	4.4 out of 5 stars 1,835 Reviews
Item Weight	1.5 Pounds
Manufacturer	Fosi Audio
Manufacturer Part Number	BT30D Pro
Model Number	BT30D PRO
Number of Items	1
Product Warranty	2 year manufacturer
Unit Count	1.0 count

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