Professional High-quality Crossover：This is a professional frequency divider, which is widely installed in the speaker. Playing an important role of the total frequency segmentation. Treble and bass dual frequency support, helps to transmit the treble to the tweeter unit, and divide the bass into subwoofer unit | HIFI Sound Quality：Make the treble clear and increase the of the bass, freely enjoy clear and music.To separate the mixed audio into a treble, bass, and then were sent to the corresponding treble, bass speaker unit in playback, resulting in enhance the sound quality purposes | High Quality and Super Durability: wire wound ceramic resistor and high-quality metal film capacitors, ensure its large load power, long-term durability, never burnout.Large capacity, reasonable design, beautiful appearance, circuit board design with cutouts and lines, for welding, very suitable for DIY | Treble and Bass dual Frequency Dividing: It can be used in a wide range. It can be used with tweeter + bass two-way frequency speakers, 2.1 mid-high-range small satellite boxes and car full-range speakers, and can also use single-use treble or single-use bass. Speaker impedance of 4-16 ohms can be used, as long as the power of the speaker is below 400W | Quality Service：We have a 24-hour online professional customer service team.If the product has any quality problems or you have any questions about this product, you can us at any time,supports return within one year,we will try our best to solve your problem in time,please rest assured to buy | | | | |