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

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Timpano TPT-ST2 Black Slim Super Tweeter, 600 Watts 4 Ohm, 105 dB, 1 in Voice Coil, 3.85 inch Pro Car Sound System Bullet Tweeters (Pair)

Product ID: 277339621

Details

Audio output mode
Stereo
Brand
Timpano
Connectivity technology
Wired
Frequency response
2000 Hz
Speaker maximum output power
600 Watts

🎯105 dB peak sensitivity

📏1.39 in slim mounting depth

🔊600W max power

Description

🎵 Elevate your ride’s soundscape with razor-sharp highs that demand attention!

CRYSTAL CLEAR HIGHS - Experience pristine, piercing treble that cuts through any soundscape with 105 dB sensitivity.
SLIM SLEEK DESIGN - Compact 3.85-inch tweeters with just 1.39 inches mounting depth fit seamlessly in premium car interiors.
POWERHOUSE PERFORMANCE - Unleash up to 600 watts of dynamic audio power for an immersive, high-SPL environment.
PRO GRADE AUDIO UPGRADE - Perfect for audiophiles and professionals craving nuanced highs beyond conventional tweeters.
BUILT IN CROSSOVER PROTECTION - Integrated capacitor filters out damaging low frequencies, preserving tweeter longevity and clarity.

The Timpano TPT-ST2 Black Slim Super Tweeter pair delivers professional-grade, crystal-clear high frequencies with a powerful 600W output and 105 dB sensitivity. Its ultra-slim 3.85-inch design and built-in crossover capacitor ensure seamless integration and protection in premium car audio setups, making it the ultimate upgrade for discerning audiophiles and managers who refuse to settle for ordinary sound.

Specifications

ASIN	B07JNPMM32
Additional Features	Tweeters
Antenna Location	For Car Audio
Audio Driver Size	10.2 Centimeters
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Best Sellers Rank	#24,514 in Electronics ( See Top 100 in Electronics ) #5 in Car Speaker Tweeters
Brand	Timpano
Built-In Media	2 Timpano Super Tweeters
Color	black / 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	4.5 4.5 out of 5 stars (872)
Enclosure Material	Aluminum
Frequency Response	2000 Hz
Global Trade Identification Number	00810075523034
Impedance	4 Ohms
Is Waterproof	false
Item Dimensions D x W x H	3.5D x 9.8W x 9.8H centimeters
Item Weight	2.15 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 Audio Channels	2.0
Number of Items	1
Number of Microphones	2
Number of Power Levels	1
Power Source	Corded Electric
Series Number	2
Speaker Maximum Output Power	600 Watts
Speaker Size	3.85 Inches
Speaker Type	Tweeter
Specific Uses For Product	car audio, vehicle use
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	3.75 Inches
Tweeter Diameter	3.75 Inches
UPC	810075523034
Unit Count	2.0 Count
Water Resistance Level	Not Water Resistant
Wireless Technology	No Wireless Communication Technology

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