If these are flush mount where do you plug in the power supply?

Dear Customer, There is amplifier and adapter in the box.these speakers should be connect with them.the adapter should be plugged in teh power supply.

Why is it they play for a while and then they just quit and all u hear is popping and beeping sound????

I haven’t had this issues using my iPhone Bluetooth. Maybe another Bluetooth is connecting to your speakers. Sorry no help. I’ve had mine for a year with no issues

I'd like to buy multiple sets and sync them in odd numbers. I.e. Can i buy 2 sets of speakers then sync 3 to play in unison &1 more to play elsewhere?

Yes,But only 2 pairs of this kind of speakers could be connected via TWS bluetooth function,if you order 2 pairs of this speakers,there are 4 speakers and 2 bluetooth amplifier box and 2 power adapter in the package,you just need connect 3 speakers with 1 amplifier and the other 1 connect with the other amplifier,then the 2 amplifier box could be connected via TWS function and play at the same time.

Do they have to be connected to their own amplifier box or can you connect one to the other?

Dear Customer, This is Bluetooth version ceiling speakers.We suggest you would better connect the Bluetooth amplifier box which included in the package.

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Herdio 4 Inches Flush Mount 2 Way Full Range in Wall Bluetooth Ceiling Speakers,Great for Humid Indoor Outdoor Placement Bath, Kitchen,Bedroom,Covered Porches A Pair

Herdio 4 Inches Flush Mount 2 Way Full Range in Wall Bluetooth Ceiling Speakers,Great for Humid Indoor Outdoor Placement Bath, Kitchen,Bedroom,Covered Porches A Pair

Product ID: 151205608

Details

Audio Output Mode
Surround
Brand
Herdio
Connectivity Technology
Bluetooth
Frequency Response
20000 hertz
Speaker Maximum Output Power
160 watts

🎨Paintable magnetic grills

📶15m Bluetooth wireless range

🔊160W max power output

¥27501

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate your space with invisible sound that speaks volumes!

FLUSH MOUNT ELEGANCE - Sleek 4-inch speakers install flush in walls or ceilings, blending invisibly into any modern space.
POWERFUL 160 W OUTPUT - Experience crisp, room-filling sound with a robust amplifier delivering clear highs and mids.
CUSTOMIZABLE AESTHETIC - Paintable magnetic grills let you match your décor perfectly—style meets stealth.
DIY FRIENDLY INSTALLATION - Rotary cam clamps and included wiring make setup a breeze—no pro needed, just plug and play.
SEAMLESS BLUETOOTH STREAMING - Connect effortlessly to smartphones, tablets, and more within a 15-meter range for wireless freedom.

The Herdio 4-Inch Flush Mount Bluetooth Ceiling Speakers deliver 160 watts of clear, full-range sound through a compact, paintable design. With a 15-meter Bluetooth range and easy DIY installation, these speakers are perfect for humid indoor and covered outdoor spaces like kitchens, bathrooms, and porches. The included digital amplifier ensures rich surround sound, while magnetic grills allow seamless customization to fit your style.

Specifications

ASIN	B07VQSZN68
Additional Features	Stereo Pairing
Age Range Description	Adult
Antenna Location	For Smartphones or Tablets
Audio Driver Size	6.4 inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Surround
Best Sellers Rank	#112,276 in Electronics ( See Top 100 in Electronics ) #215 in Ceiling & In-Wall Speakers
Bluetooth Range	15 meters
Brand	Herdio
Built-In Media	2 passive speakers,1 amplifier.1 power adapter,2 speaker wires
Color	White
Compatible Devices	Smartphone
Connectivity Protocol	Bluetooth
Connectivity Technology	Bluetooth
Control Method	App
Controller Type	Button
Customer Package Type	FFP
Customer Reviews	4.4 4.4 out of 5 stars (362)
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS)
Frequency Response	20000 hertz
Impedance	8 ohm
Is Waterproof	FALSE
Item Dimensions D x W x H	2.6"D x 6.4"W x 6.4"H
Manufacturer	Herdio
Maximum Range	15 meters
Model Name	4 Inches Bluetooth Ceiling Speakers
Model Number	HCS418BT
Mounting Type	Ceiling Mount
Number Of Circuits	1
Number of Audio Channels	2
Number of Items	1
Number of Power Levels	1
Power Source	Battery Powered
Processor Count	1
Series Number	418
Speaker Maximum Output Power	160 watts
Speaker Size	4 inches
Speaker Type	Surround Sound
Specific Uses For Product	Indoor and protected outdoor environments
Subwoofer Connectivity Technology	Wireless
Subwoofer Diameter	4 inches
Tweeter Diameter	4 inches
UPC	707870372175
Unit Count	1 Count
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth
Woofer Diameter	4 inches

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¥27501

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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