Im assuming these have an impedance rating, but its not listed or mentioned; whats the impedence rating, in ohms?

According to what I've found elsewhere, 8 ohms of impedance, 5 watts RMS, 10 watts peak.

Will they work pressed up against a surface for temporary location or does it have to be stuck on with the adhesive?

Pressing them against the surface will prevent the transducer from vibrating. They work just like a speaker, minus the cone. They can be relocated. New 3m double sided works or hot glue's great too.

Mine has stopped working. Do these run out of battery over a period of time? Or just faulty?

It might be faulty. There's no battery in these; they need to be hooked up to an amp of some kind. The adhesive might have weakened or the speaker driver could have a short or be defective.

could these be concealed behind a bookcase or couch (with a gap)? or do they need to be unobstructed?

I think that the only problem would be that the sound will be obstructed but I don’t why you cannot do it.

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Dayton Audio DAEX25 Pair of Sound Exciters (Black)

Product ID: 1823953

Details

Audio Output Mode
Surround
Brand
Dayton Audio
Connectivity Technology
wired
Frequency Response
20000 hertz
Speaker Maximum Output Power
10 watts

🎵20,000 Hz vibration speed

📏9.3 cm piezoelectric driver

🛠️3M adhesive for secure mounting

¥11345

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Description

🎧 Elevate your sound game—wherever, whenever, however.

COMPACT PORTABLE DESIGN - Lightweight and discreet, perfect for professionals who demand style and substance.
INVISIBLE SURROUND SOUND SETUP - Create a sleek, hidden audio environment that blends seamlessly with your space.
TRANSFORM ANY SURFACE INTO A SPEAKER - Turn your desk, wall, or table into a high-fidelity sound source—no bulky speakers needed.
PRECISION VIBRATION AT 20 000 CYCLES SECOND - Experience crystal-clear sound reproduction with ultra-fast surface vibrations.
EFFORTLESS INSTALLATION WITH 3 M ADHESIVE PADS - Secure placement in seconds—no tools, no hassle, just pure sound innovation.

The Dayton Audio DAEX25 Sound Exciters use advanced piezoelectric drivers to vibrate solid surfaces at up to 20,000 Hz, transforming everyday objects into immersive speakers. With 3M adhesive pads for quick installation and a compact 9.3 cm driver, these exciters deliver hidden surround sound with professional-grade clarity, perfect for modern workspaces and stylish home setups.

Specifications

ASIN	B001EYEM8C
Additional Features	Transforms Solid Surfaces into Speakers
Antenna Location	Transforming solid surfaces into speaker systems, creating hidden sound systems
Audio Driver Size	9.3 centimeters
Audio Driver Type	Piezoelectric Driver
Audio Output Mode	Surround
Best Sellers Rank	#9,545 in Musical Instruments ( See Top 100 in Musical Instruments ) #4 in Exciters & Enhancers Effects Processors
Brand	Dayton Audio
Color	Black
Compatible Devices	Laptop, Personal Computer, Smartphone
Connectivity Protocol	Bluetooth, Wi-Fi
Connectivity Technology	wired
Control Method	App
Customer Package Type	FFP
Customer Reviews	4.5 4.5 out of 5 stars (748)
EU Spare Part Availability Duration	5 years
Enclosure Material	Plastic Or Metal
Frequency Response	20000 hertz
Global Trade Identification Number	00844632070709
Impedance	8 ohm
Is Waterproof	FALSE
Item Dimensions D x W x H	0.75"D x 3.59"W x 3.59"H
Item Weight	6.4 ounces
Manufacturer	Dayton Audio
Model Name	DAEX25
Model Number	DAEX25
Mounting Type	Portable
Number Of Circuits	1
Number of Audio Channels	2
Power Source	Corded Electric
Signal-to-Noise Ratio	60 db
Speaker Maximum Output Power	10 watts
Speaker Size	9.3 centimeters
Speaker Type	Sound Exciter
Specific Uses For Product	Creating hidden surround sound systems, adding sound to unusual surfaces
Subwoofer Connectivity Technology	Wired
UPC	844632070709
Unit Count	1 Count
Warranty Description	1 Year
Warranty Type	Full
Wireless Technology	Bluetooth, Wi-Fi
Woofer Diameter	9.31 centimeters

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¥11345

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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