CT-80S portable mixer, 8 channel input, 3 channel equalization, 1 auxiliary group, 1 return, Built-in 16 kinds of effects, two groups of grouping output, with 48V fantasy power supply, With MP3 decoding, USB Bluetooth can be played. External power supply, 3 channel equalization, one set of auxiliary sending, one set of effect sending, 60mm precision push-pull potentiometer. 60mm attenuator, low noise, high precision, high price. (Maximum output level): 19dBm (1KHz, THD=0.5%), (residual noise): -105dB, (signal-to-noise ratio): ≤80dB, (equivalent noise source input electromotive force): -115dBm, (headphone output power ): 100mw (1KHz, THD=0.5%, 200Ω), (equalization): Low (low frequency): 80Hz ±15dB, (medium frequency): 2.5KHz ±15dB, (high frequency): 12KHz ±15dB, (gain control): MONO (mono)-60dB~-40dB, (frequency response): 20Hz~20KHz (±3dB), (total harmonic distortion + noise): ≤0.003% (1KHz, 0.775V) CT-60S portable mixer has 6 channels input, 3 channels equalization, 1 auxiliary group, 1 return, Built-in 16 kinds of effects, two groups of grouping output, with 48V fantasy power supply, With MP3 decoding, USB Bluetooth can be played. External power supply, 3 channel equalization, one set of auxiliary sending, one set of effect sending, 60mm precision push-pull potentiometer. 60mm attenuator, low noise, high precision, high price. (Maximum output level): 19dBm (1KHz, THD=0.5%), (residual noise): -105dB, (signal-to-noise ratio): ≤80dB, (equivalent noise source input electromotive force): -115dBm, (headphone output power ): 100mw (1KHz, THD=0.5%, 200Ω), (equalization): Low (low frequency): 80Hz ±15dB, (medium frequency): 2.5KHz ±15dB, (high frequency): 12KHz ±15dB, (gain control): MONO (mono)-60dB~-40dB, (frequency response): 20Hz~20KHz (±3dB), (total harmonic distortion + noise): ≤0.003% (1KHz, 0.775V)