Multiband sound processor 1.input:RF 2. ISO 9001:2000 3.sound processor 4.Filter distortion:0.008%@+4tue,1KHz Multiband sound processor (BL-230)PARAMETER:InputRFInput impedance+/-12KΩMAX input level21dBuFrequency response5Hz-100KHz+0/-3dBOutput impedance+/-45ΩS/N>-95dBu,22Hz-22KHzFilter distortion0.008%@+4tue,1KHzFrequency driver1-8KHzLow adjust0-6;off-MAX Multiband sound processor (BL-230)