180W 3 Way Speaker Audio Crossover Filters: Impedance: 4Ω---8Ω;Frequency:850Hz/4800Hz; Maximum Power: 180W | Treble and Bass Dual Frequency Dividing: Bass 6 dB/oct, Treble 12 dB/oct, Widely use in Treble and Bass Speakers, Car Full Frequency Speakers, or Use Treble/ Bass Alone | High Quality:3-Way Speaker Audio Crossover Filters Inductance Adopts Anaerobic Copper Winding , and Pure Copper Wire,Super Capacitors, Reasonable Design and the Quality of the Sound is Adjustable | Convenient to Use:3-Way Speaker Audio Crossover Filters is a Multi-Purpose, Comprehensive Debugging, Welding Free, Very Convenient to Use and the Effect of Listening Can be Adjustable According Your Hobbies | Wide Application:180W 3 Way Speaker Audio Crossover Filters Suitable for 5” - 10” Various Stage and Conference Speakers,Also Amplifier On Your Car, Motorcycle, Golf Cart and Other Places, Where You Need Small Amplifier In Order to Have A Better Listening Experience

400W Adjustable Multi Speaker:Power: 400W or Lower; Impedance: 4 to 16 ohm;Frequency: Adjustable | 4 Jumpers Design: Speaker Board Come with 4 Jumpers Which Can Help Optimize Audio Effect: Jumper A, B for Bass; Jumper C, D for Treble | High Quality:Frequency Divider Made of Oxygen-Free Copper Winding, Pure Copper Wire 08 Wire Diameter,Super Capacitors, Reasonable Design and the Quality of the Sound is Adjustable | Convenient to Use:400W Adjustable Multi Speaker is a Multi-Purpose, Comprehensive Debugging, Welding Free, Very Convenient to Use and the Effect of Listening Can be Adjustable According Your Hobbies | Wide Application:400W YLY-2088 Adjustable Multi Speaker Widely Applied for Treble+Bass Bisection Speaker, 2.1 Treble Small Satellite Box,Car Full Frequency Speakers,It Can be Used as a Single Treble or Single Bass