Which lead is positive and negative?

The side with the bass resistor is positive

What’s the outside diameter of the speaker?

4 inches is too big...due to the ears on the back it is tricky to get it right. They are front mount only. I think I went with 3 and 3/4 but still had to notch it due to the ears.

Can I put them on my Harley??

Listen these tweeters are BADASS they are built tough look good and the Highs they put out are outstanding. I put these on the front doors of my 2003 Chevy Blazer and was really kind of worried because of the price being under $50.00 bucks. But Bro let me say you will not be disappointed. As far as your Harley they are not really 4" they are more like 3.5" so I had to use these spacers (uxcell 4 Pcs Black Plastic Car 4 Inch Inner Dia Speaker Spacers Replacement) so I hope this helps you out good luck

Tpt St2 Black | Desertcart Japan

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¥15122

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Elevate your car audio game with precision power and sleek style!

PRECISION AUDIO CLARITY - 105 dB sensitivity ensures crystal-clear highs that cut through the noise.
PRO LEVEL DIRECTIONALITY - Focused sound projection for an immersive, concert-like listening experience.
SLEEK SPACE SAVVY DESIGN - Slim 3.85-inch tweeters with just 1.39 inches mounting depth for seamless integration.
BUILT IN CROSSOVER PROTECTION - Capacitor filters out damaging low frequencies, preserving tweeter longevity.
POWER THAT COMMANDS ATTENTION - 600 watts of peak power to dominate any high SPL environment.

The Timpano TPT-ST2 Black Slim Super Tweeter delivers professional-grade 600W peak power and 105 dB sensitivity in a compact 3.85-inch design with a shallow 1.39-inch mounting depth. Featuring a built-in crossover capacitor to protect against low-frequency damage, these tweeters provide crystal-clear, directional highs ideal for high SPL car audio setups. Perfect for audiophiles seeking loud, precise sound without sacrificing space.

Specifications

ASIN	B07JNPMM32
Additional Features	Slim Super Tweeter
Age Range Description	All Ages
Antenna Location	Volume
Audio Driver Size	10.2 Centimeters
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Battery Average Life	1 Hours
Best Sellers Rank	#9,403 in Electronics ( See Top 100 in Electronics ) #8 in Car Tweeters
Brand	Timpano
Built-In Media	Tweeter
Color	Black
Compatible Devices	Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop
Compatible with Vehicle Type	Car
Connectivity Protocol	RCA, 3.5mm
Connectivity Technology	Wired
Control Method	Touch
Controller Type	Voice control
Customer Package Type	FFP
Customer Reviews	4.6 out of 5 stars 1,843 Reviews
Frequency Response	2000 Hz
Impedance	4 Ohms
Is Waterproof	FALSE
Item Dimensions D x W x H	1.39"D x 3.85"W x 3.85"H
Item Weight	2.2 Pounds
MP3 player	No
Manufacturer	Timpano Audio
Model Name	ST2 BLACK 3.85"
Model Number	ST2 BLACK 3.85"
Mounting Type	Car Mount
Number Of Circuits	2
Number of Audio Channels	2.0
Number of Items	1
Number of Power Levels	1
Power Source	Corded Electric
Series Number	2
Speaker Maximum Output Power	600 Watts
Speaker Size	4 Inches
Speaker Type	Tweeter
Specific Uses For Product	car audio, vehicle use
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	3.75 Inches
Tweeter Diameter	3.85 Inches
UPC	611056238677
Unit Count	1 Count
Warranty Description	1 Year Limited Warranty
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	No wireless communication technology
Woofer Diameter	4 Inches

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