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.

Dayton Audio Daex25 Sound Exciter Speaker Pair

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

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₨1733

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 space—where sound meets stealth.

PRECISION VIBRATION AT 20 K HZ - Experience crystal-clear highs and rich tones by vibrating surfaces at ultra-high frequencies.
INVISIBLE SURROUND SOUND SETUP - Create a sleek, hidden audio system that blends seamlessly into your space—no bulky speakers needed.
UNIVERSAL DEVICE COMPATIBILITY - Connect easily via Bluetooth or wired options to laptops, TVs, smartphones, and more.
TRANSFORM ANY SURFACE INTO SOUND - Turn tables, walls, or furniture into immersive speakers with cutting-edge exciter tech.
EFFORTLESS INSTALLATION WITH 3 M PADS - Stick and play—fast, secure mounting means no drilling or damage to your favorite surfaces.

The Dayton Audio DAEX25 Sound Exciter Speaker Pair uses piezoelectric drivers to vibrate solid surfaces up to 20,000 cycles per second, transforming them into high-quality speakers. Compact and easy to install with included 3M adhesive pads, these exciters support stereo output and connect via Bluetooth or wired methods, enabling hidden surround sound setups for home entertainment and professional environments.

Specifications

ASIN	B001EYEM8C
Age Range Description	Adult
Antenna Location	[INF] Creating a hidden surround sound system, enhancing sound quality in various environments, or using them for DML applications
Audio Driver Size	93.1 Millimetres
Audio Driver Type	Piezoelectric Driver
Audio Output Mode	Stereo
Battery Average Life	5 Hours
Best Sellers Rank	64,997 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 177 in Coaxial Car Speakers 2,801 in Hi-Fi Speakers
Box Contents	3M Adhesive Pads
Brand Name	DAYTONAUDIO
Colour	Black
Compatible Devices	Laptop, Personal computer, Smartphone, Tablet, Television
Connectivity Protocol	Bluetooth, Wi-Fi
Control Method	Touch
Controller Type	Remote Control
Customer Package Type	FFP
Customer Reviews	4.4 4.4 out of 5 stars (714)
EU Spare Part Availability Duration	5 Years
Enclosure Material	Unspecified (but possibly a material suitable for coating)
Frequency Response	298 Hz
Global Trade Identification Number	00844632070709
Impedance	8 Ohms
Is Waterproof	False
Item Dimensions D x W x H	1.9D x 9.1W x 9.1H centimetres
Item Weight	0.4 Pounds
MP3 player	No
Manufacturer	Dayton Audio
Maximum Speaker Output Power (in watts)	10 Watts
Model Name	DAEX25
Model Number	DAEX25
Mounting Type	3M Adhesive Pads
Network Connectivity Technology	wired
Number Of Circuits	2
Number of Audio Channels	2.0
Number of Items	2
Power Source	Corded Electric
Product Features	Sound Exciter
Signal-to-Noise Ratio	60 dB
Speaker Size	93.1 Millimetres
Speaker Type	Surround Sound
Specific Uses For Product	Home entertainment systems, Enhancing sound quality in various environments, DML applications
Subwoofer Connectivity Technology	Wired
Tweeter Diameter	1 Inches
UPC	844632070709
Unit Count	1.0 count
Warranty Type	Limited
Water Resistance Level	Waterproof
Wireless Technology Type	Bluetooth, Wi-Fi
Woofer Driver Diameter	9.31 Centimetres

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₨1733

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered 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 Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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