Wireless Bass knob specifications

Working Voltage: 9 - 18V
Wireless Technology:  2.4 GHz (802.11 b/g/n)
Wireless Range: Up to 50 feet
RCA Input Voltage:  3.5V Maximum
Number of Channels: Mono
Frequency Response: 10 - 20KHz
Battery Capacity: 1000 mAH
Display: 0.96" OLED Monochrome
Charging Port: USB-C
Auto Sleep: 15s ,30s, 1m, 5m, 15m, 30m, OFF
Volume Level Sensitivity: Low, Normal, High, Very high, Extreme
Fine Sensitivity:  ✓
Voltmeter calibration:  ✓
BASE Dimensions: Height: 1.55" - Width: 3.8" - Depth: 1.9"