400W Adjustable Treble/Bass Frequency Divider Distributor 2-Way Speaker Audio Crossover Filters auspowers_batchsix Batteries are printed with manufacturing

Batteries are printed with manufacturing date (not expiration date)

It won't cause any distortion during signal transmission

our wireless charger can only charge the Airpods 2 with wireless charging function

please refer to the backside of the box

400W Adjustable Treble/Bass Frequency Divider Distributor 2-Way Speaker Audio Crossover Filters auspowers_batchsix Batteries are printed with manufacturing400W Adjustable Treble Bass Frequency Divider Distributor 2 Way Speaker Audio Crossover Filters Specifications: 1)Size: 752. 5cm (LWH) 2)Suitable for Speaker Power: 400W or lower 3)Suitable for Speaker Impedance: 4 to 16 ohm With 4 jumpers onboard to optimize your audio effect: Jumper A, B for bass; Jumper C, D for treble. Details about jumpers: Jumper A, B are used to control audio effect of bass range. A for lower limit while B for upper limit of