1. Application: home/car audio modification upgrade 2. Power: 40W 3. Applicable impedance: 4-8 ohms 4. Applicable speakers: universal magnet speakers 5. PCB board is made of fireproof board, soldering point big thick copper layer, circuit board more durable 6. Crossover will be in the low-frequency signal blocking, so that the treble prominence, to compensate for the lack of high-frequency audio and other defects 7. Installation instructions: lead black and red is the input (IN) blue and black is the output (connected to the tweeter) 8. Size: 50 x 25mm
