Amazon
Microphone Impedance: 500 Ohm - 100 kOhm Compression level: Hi: 45 dB / Med: 30 dB / Lo: 10 dB Graphic equalizer: 4 elements (270, 540, 1000, 2000 Hz) + 12 dB range Power supply: 6-9 VDC (4 x 1.5V AA batteries not included)
Microphone Impedance: 500 Ohm - 100 kOhm Compression level: Hi: 45 dB / Med: 30 dB / Lo: 10 dB Graphic equalizer: 4 elements (270, 540, 1000, 2000 Hz) + 12 dB range Power supply: 6-9 VDC (4 x 1.5V AA batteries not included)