Waterproof Raw Audio Speakers 20W 4ohm 120mm Round Shape Big Full Range Woofer

CE 20W 4ohm 120mm round shape big size full range woofer waterproof car speaker music player

1. Specifications

2. Description

3. Applications

To adequately reproduce a wide range of frequencies with even coverage, most loudspeaker systems employ more than one driver, particularly for higher sound pressure level or maximum accuracy. Individual drivers are used to reproduce different frequency ranges. The drivers are named subwoofers (for very low frequencies); woofers (low frequencies); mid-range speakers (middle frequencies); tweeters (high frequencies); and sometimes supertweeters, optimized for the highest audible frequencies. The terms for different speaker drivers differ, depending on the application. In two-way systems there is no mid-range driver, so the task of reproducing the mid-range sounds is divided between the woofer and tweeter. Home stereos use the designation "tweeter" for the high frequency driver, while professional concert systems may designate them as "HF" or "highs". When multiple drivers are used in a system, a "filter network", called a crossover, separates the incoming signal into different frequency ranges and routes them to the appropriate driver. A loudspeaker system with n separate frequency bands is described as "n-way speakers": a two-way system will have a woofer and a tweeter; a three-way system employs a woofer, a mid-range, and a tweeter. Loudspeaker drivers of the type pictured are termed "dynamic" (short for electrodynamic) to distinguish them from earlier drivers (i.e., moving iron speaker), or speakers using piezoelectric or electrostatic systems, or any of several other sorts.

4. Competitive Advantage

5. Information

6. Custom properties

7. Product commercial terms

Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Car Parts business. Beijing Silk Road also will responsible with exporting and logistic business.

Founded in 2009, Our company is a leading manufacturer and supplier of Car Spare Parts in China.

We have many good cooperation business relationship at home and abroad, and a good team together, We will continue to make great efforts to achieve a win-win future for our global customers!