If you were looking out for some high quality and affordable 4" car audio coaxial speakers pair, you'll certainly be impressed with the CT Sounds Strato 4 Inch Car Audio Coaxial Speakers (Pair). This speakers set is an absolute perfection for price & combination for your car audio system. High quality IMPP cone and NBR surround makes this speaker create superb quality audio. Car audio 4" speakers (13mm silk dome tweeter at the woofer center) has an advantage of playing pin point and crisp audio rather than going loud & this Strato 4" speakers set is a perfect example. Check out for further specifications below-

 

Whats in the box:

• 2 x Strato 4" Car Audio Coaxial Speakers
• 2 x Woofer Protection Grilles

Features:

1. Each speaker has IMPP (Injection-Molded Polypropylene) cone with NBR (Nitrile Butadiene Rubber) surround
2. Voice coil of 1" / 26mm (dia) at each speaker
3. Y30 ferrite magnet at each speaker
4. Each 19mm silk-dome tweeter covered with silver chrome plated face grille with metal mesh
5. Small crossover circuitry attached with speaker basket
6. Quality Copper Clad Aluminium Wire (CCAW) used for tweeters connectivity
7. Steel plate type terminals for speaker connectivity, big one for Positive (+ve) & small one for Negative (-ve)
8. Each speaker has black stamp steel basket with black powder paint on them
9. Embossed logo on speaker basket for a bold outlook

Technical Specifications:

1. Speaker size: 4"
2. Speaker type: Coaxial
3. Impedance per speakers set (woofer+tweeter): 4-Ohm
4. Each speaker power: 30W (RMS) | 60W (MAX)
5. Total system power: 60W (RMS) | 120W (MAX)

Woofer:

1. Voice coil (dia): 1"
2. Sweep voltage: 8.6 V
3. Output SPL (@1w/1m): 85 dB
4. X-over point: 3.5 kHz
5. Frequency response (@SPL -10dB): 50 Hz ~ 20 kHz
6. Magnet size: 70mm x 15mm
7. Magnet weight: 8 Oz
8. Magnet type: Y30 ferrite

Tweeter:

1. Sweep voltage: 1.8 V
2. Frequency response (@SPL -10dB): 800Hz ~ 20kHz
3. Tweeter size (dia): 13 mm
4. Tweeter type: Silk-dome covered with metal mesh face grille
5. Magnet type: N38H

Crossover:

1. Crossover circuit: 2.2 μF capacitor / 100V
2. Filter for tweeter: 6dB

Mounting / Installation Parameters:

1. Cutout diameter: 93mm / 3.66"
2. Outer diameter: 135mm / 5.31"
3. Mounting depth: 49mm / 1.91" ( 73mm / 2.86" with grilles on)