Why does this listing show the per item cost as half the total price if these aren't sold in pairs?

I bought mine several years back and do not remember if they came in pairs then. But if you can afford it they are a lot of fun to experiment with and depending on what kind of surface you use can produce some of the best sound.. Good luck, have fun!

What us the range on these and how loud can they get?

The volume and range are both wholey dependant on what you mount it on. Heavier more solid materials like thick hardwoods give a lower tone, and lighter things like rigid foam are higher. Two of these mounted on the wall or to your coffee table will suprize you with the volume, and range. Drywall, or glass sounds really cool. I have purchased over a dozen excites, most are Dayton, and built some really great stuff.

How are these mounted? Just by the circular dual sided tape? Don't they vibrate off the surface they're mounted to?

Yes just the double sided tape. I've had around 8 installed to foam over a year and only one has fallen off so I just epoxied that on back in place.

What is the weight of this unit? Plan to use in drones

I do have a pair but they are up in the shop rafters.. (they say 3.87 ounces..) you know that they will need a "surface" to vibrate such as cardboard in my case. The sound they make by themselves is not much. They may also vibrate the drone.. But they do make a great sound when done right.. well worth you money even if you can not use them on a drone... hope that helped.. good luck to you..

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Dayton Audio DAEX25FHE-4 Framed High Efficiency 25mm Exciter 24W 4 Ohm

Product ID: 256288820

Details

Audio output mode
Surround
Brand
Dayton Audio
Connectivity technology
solder
Mounting type
Surface Mount
Speaker maximum output power
24 Watts

📏Compact 2" diameter size

🔋24W RMS power handling

🛠️Pre-applied 3M™ VHB™ adhesive

S/.184

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Description

🔊 Turn any surface into your personal sound stage—compact power, zero compromise!

NEODYMIUM MAGNET MAGIC - Rare-earth motor boosts sensitivity for louder sound with less power.
ULTRA COMPACT POWERHOUSE - Fits discreetly anywhere under 2 inches, perfect for sleek, modern setups.
AMPLIFIER FRIENDLY 4 OHMS - Optimized for small Class D amps—high output without the bulk.
PEEL STICK INSTALLATION - 3M™ VHB™ adhesive ensures a rock-solid bond in seconds—no fuss, no mess.
VERSATILE SURFACE SPEAKER - Transforms windows, toys, cabinets, and more into immersive soundscapes.

The Dayton Audio DAEX25FHE-4 is a high-efficiency 25mm exciter designed to convert almost any surface into a dynamic speaker. Featuring a rare-earth neodymium motor, 24W RMS power handling, and a compact form factor under 2 inches, it installs effortlessly with pre-applied 3M™ VHB™ adhesive. Ideal for creative audio projects requiring discreet, powerful sound output compatible with small amplifiers.

Specifications

ASIN	B00PY66ZCC
Additional Features	Quiet
Age Range Description	Adult
Antenna Location	windows
Audio Driver Size	5.08 Centimeters
Audio Driver Type	Dynamic Driver
Audio Output Mode	Surround
Best Sellers Rank	#105,368 in Electronics ( See Top 100 in Electronics ) #291 in Home Audio Amplifiers
Brand	Dayton Audio
Built-In Media	4 x 25W exciters
Color	Silver
Compatible Devices	Amplifier
Connectivity Protocol	Wired (protocol not specified)
Connectivity Technology	solder
Control Method	Voice
Controller Type	Voice Control
Customer Package Type	Standard Packaging
Customer Reviews	4.6 4.6 out of 5 stars (341)
Enclosure Material	neodymium
Global Trade Identification Number	00848791000980
Impedance	4 Ohms
Is Waterproof	True
Item Weight	113 g
MP3 player	No
Manufacturer	DAYTONAUDIO
Model Name	DAEX25FHE
Model Number	DAEX25FHE-4-S
Mounting Type	Surface Mount
Number of Audio Channels	2.0
Number of Items	1
Number of Power Levels	1
Power Source	Corded Electric
Processor Count	1
Speaker Maximum Output Power	24 Watts
Speaker Size	27.6 Millimeters
Speaker Type	Surround Sound
Specific Uses For Product	windows, toys, monitors, cabinet doors, objects, surfaces
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	25 Millimeters
Tweeter Diameter	1 Inches
UPC	848791000980
Warranty Type	Limited
Water Resistance Level	Waterproof
Wireless Technology	Bluetooth
Woofer Diameter	25 Millimeters

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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S/.184

Duties & taxes included

In stock

Sold byAmazon PeruDelivered 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 Peru.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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