Two-way lotus head interface electronic frequency divider dual op amp NE5532 Linquitz subwoofer frequency divider Structure: Stereo four-channel output (left and right channels, mid-treble, left and right channels, heavy bass) OP amp chip: high-precision NE5532 dual-chip structure Crossover slope: 12dB/Oct 12dB (2nd oroder) Crossover frequency: 160Hz<br><br>Chip type: high-precision low-noise chip Capacitor type: high-precision correction capacitor Resistor type: high precision metal film resistor OP amp bandwidth: 10MHz Op amp slew rate: 9V/µs Recommended power supply: dual power transformer 12V-15V Wiring port: lotus socket Chip package: DIP plug-in type Number of pins: 8P dual op amp Operating temperature range: room temperature environment Device mark: NE5532 Chip socket: high-quality round hole gold-plated 8P socket Dimensions: 98mm x 84mm x 28mm Module weight: 92g (Different batches may have slight differences in appearance, which not affect the use) Color: Black Material: Plastic<br><br>Package Contents: 1 * Subwoofer Speaker Divider<br><br>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.