High power output of 400W, suitable for various audio applications. Wide impedance range of 4-16 ohms, compatible with different speaker systems. Constructed with oxygen-free copper for superior sound quality and durability. User-friendly wiring instructions for high and low split frequency connections. Comprehensive control of sound quality with a reasonable design and exquisite appearance, ensuring optimal performance. Model: YLY-2088 Frequency point: not located, determined by debugging Material: The inductor is wound with oxygen free copper, with a pure copper wire diameter of 08. Instructions for use: High and low split frequency wiring: Input: Connect to the power amplifier or rear junction box; TREBLE: Connected to a tweeter; BASS: Connected to the bass speaker. Wiring base twisting operation: Use a small slotted screwdriver to loosen in a counterclockwise direction, slide the compression plate down, peel and insert the wire, and tighten clockwise. Full frequency coaxial connection method: Connect the speaker to the BASS/bass position, and then find a small wire to connect from the positive pole of the bass to the positive pole of the tweeter. Color: As Shown Package Contents: 1*YLY-2088 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.