AMT2-4 Air Motion Transformer Tweeter 4 Ohm

Advanced Air Motion Transformer design "squeezes" air mo

8-14 days

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The Dayton Audio AMT2-4 Air Motion Transformer tweeter brings clarity, transient speed, and musical finesse to your design. The tweeter's round faceplate flush mounts into baffles easily, and groundbreaking AMT technology enables high output from such a c

The Dayton Audio AMT2-4 features a round faceplate and compact AMT element, for wide dispersion and overall performance that easily replace dome tweeters in retrofit or new design applications. The sealed rear chamber design of the AMT2-4 eliminates the need for a separate internal chamber in the loudspeaker enclosure.

Dayton Audio AMT (Air Motion Transformer) tweeters use groundbreaking transducer technology from the original ESS/Heil Air Motion Transformer to provide ultra-clean, detailed, and dynamic treble output. The pleated ribbon diaphragm of an AMT provides a large acoustic radiating area condensed into a compact chassis, for extremely high output and improved power handling.

Specifications: Dimensions: Overall diameter: 3.54", Cutout: 2.56", Depth: 1.12".


• Advanced Air Motion Transformer design "squeezes" air molecules instead of shoving or crushing them
• Folded Kapton ribbon diaphragm delivers clean, detailed, and highly dynamic output
• Round metal faceplate provides easy mounting and a classic look
• Powerful, lightweight neodymium magnet structure for low distortion and high efficiency
• Sonically similar to the best metal ribbon and planar tweeters

Speaker Series AMT Series
Model Number AMT2-4
Color Black
Unit of Measure Each
UPC 848791000621
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 0.7500
Speaker Type Tweeter
Power Handling (RMS) 15 watts
Power Handling (max) 30 watts
Continuous Program Power --
Impedance 4 ohms
Sensitivity 92.5 dB @ 2.83V/1m
Frequency Response 2,500 - 22,000 Hz
Voice Coil Diameter --
Magnet Weight --
DC Resistance (Re) 3.5 ohms
Voice Coil Inductance (Le) --
Resonant Frequency (Fs) --
Mechanical Q (Qms) 2.92
Electromagnetic Q (Qes) --
Total Q (Qts) 2.86
Diaphragm Mass Inc. Airload (Mms) --
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) --
Surface Area Of Cone (Sd) 8.91 cm²
Volume of Displacement (Vd) --
BL Product (BL) --
Compliance Equivalent Volume (Vas) --
Maximum Linear Excursion (Xmax) --
Driver's Mechanical Losses (Rms) --
Entry / Exit Diameter --
Surround Material --
Voice Coil Wire Material --
Voice Coil Former --
Basket/Frame Material --
Magnet Material --
Overall Outside Diameter 90 mm
Overall Depth 28.5 mm
Baffle Cutout Diameter 65 mm
# Mounting Holes 4
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --

SKU 848791000621
Model # AMT2-4
Barcode # 848791000621
Brand Dayton Audio
Shipping Weight 0.3370kg
Shipping Width 0.127m
Shipping Height 0.051m
Shipping Length 0.152m
Shipping Cubic 0.000983000m3
Assembled Length 0.152m
Assembled Height 0.051m
Assembled Width 0.127m

Detail and Clarity is excellent

By: on 8 March 2017
I bought these initially as a trial in my car replacing a pair of Mb Quart tweeters. As the recommended crossover was 2500Hz I connected it and was very surprised by the detail coming through the tweeters compared to the previous setup which was quite good also, with a bit of fiddling with the setup and a small holder made from plumbing PVC and timber ring this will add a new dimension to the current car sound.

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