Can I run a subwoofer off this one

Don't understand the question. This is a subwoofer. If you mean can you connect it to another, I don't think so, but that's a question for the vendor.

If you connect with RCA cable, is wi-fi connection necessary?

It isn't connected that way. It uses an RCA to 3.5mm cable to connect the subwoofer to the main speakers. After that, if your main speakers are multi-hookup type, then you can attach your playing device to your main speakers. Keep in mind, the subwoofer is only a sub, it has to slave off the master speakers. Wi-Fi only involves your player device and main speakers.

Will this work with a bose soundbar?

It depends on what kind of Bose sound bar you have. If it’s a newer genre Bose it will not work with it. Look on the Bose website to see subwoofer capabilities.

can i use this sub for karaoke amplifier that can also play music

Thanks for your question. Pls send the ports‘ photo of your amplifier to support@bestisan.com. We'll have a check and give you a reply.

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6.5’’ Powered Home Audio Subwoofer | Down Firing Woofer,, Active Small Sub in Compact Design, LFE/ RCA/ High Speaker Level Port for Home Theater, Black, SW65C

Product ID: 366695452

Details

Audio Output Mode
Stereo
Brand
BESTISAN
Connectivity Technology
Auxiliary RCA
Frequency Response
35200 Hz
Speaker Maximum Output Power
400 Watts

📏Compact 9.3x9.3x13 inch design

🔊400W max output power

🎚️Independent bass & volume controls

1220.41 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Feel every beat, not the bulk – bass that fits your lifestyle!

SPACE SAVVY DESIGN - Slim footprint fits under furniture or alongside your setup, perfect for small to mid-size rooms.
TAILORED BASS CONTROL - Separate knobs let you dial in bass intensity without affecting overall volume.
SEAMLESS COMPATIBILITY - LFE & line inputs work effortlessly with most receivers, soundbars, and bookshelf speakers.
PLUG PLAY CONVENIENCE - Powered subwoofer with included cables and quick start guide for instant audio upgrade.
ROOM SHAKING POWER IN A COMPACT FRAME - 6.5’’ down-firing woofer delivers deep bass without dominating your space.

The BESTISAN 6.5’’ Powered Subwoofer (SW65C) packs a powerful 400W output into a sleek, compact design ideal for small to mid-size rooms. Featuring a downward-firing woofer for enhanced bass extension and independent bass and volume controls, it seamlessly integrates with most home theater and studio audio setups via LFE and line inputs. Its space-conscious footprint and user-friendly interface make it the perfect upgrade for professionals craving immersive sound without sacrificing style or space.

Specifications

ASIN	B09H26JSFH
Additional Features	Bass Boost
Age Range Description	Adult
Antenna Location	For Surround Sound Systems, For Televisions
Audio Driver Size	6.5 Inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Best Sellers Rank	#32,052 in Electronics ( See Top 100 in Electronics ) #55 in Home Audio Subwoofers
Brand	BESTISAN
Built-In Media	Powered Subwoofer; Power Adapter; Stereo RCA to 3.5mm Audio Cable; Quick Start
Color	Black
Compatible Devices	Television
Compatible with Vehicle Type	Car
Connectivity Protocol	RCA, Auxiliary
Connectivity Technology	Auxiliary, RCA
Control Method	Remote
Controller Type	Corded electric
Customer Reviews	4.2 4.2 out of 5 stars (515)
Enclosure Material	Plastic
Frequency Response	35200 Hz
Is Waterproof	FALSE
Item Dimensions D x W x H	9.3"D x 9.3"W x 13"H
Item Weight	10.5 Pounds
MP3 player	No
Manufacturer	Bestisan
Model Name	SW65C
Model Number	SW65C
Mounting Type	Floor Mount
Number of Audio Channels	5.1
Number of Items	1
Power Source	Corded Electric
Speaker Maximum Output Power	400 Watts
Speaker Size	6.5 Inches
Speaker Type	Bookshelf, Subwoofer, Woofer
Specific Uses For Product	home theater setup, watching movies, and listening to music
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	10 Inches
UPC	756014716122
Unit Count	1.0 Count
Warranty Description	1 year
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth
Woofer Diameter	6.5 Inches

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1220.41 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

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Good experience, but the tracking updates could be better.

2 months ago

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