Complaint
F series 4/7 channels mixer 7 channel input with delay DSP effects MP3 USB bluetooth one output and one return PA mixer
MODEL F4-USB
| Maximum input level | Microphone + 24dBu |
| Line + 24dB | |
| The maximum output level | +26 dBu |
| Main level meter | 5 segment LED |
| Frequency response | 20Hz -20Khz ± 0.5db |
| Common mode rejection ratio (MIC 1Khz) | > 75 dB |
| Total harmonic distortion (THD + N) | <0.01% (channel input to mix output) |
| Crosstalk (1K Hz) | > 85 dB |
| Noise (22Hz - 22K Hz) | Equivalent input noise -116dBu |
| Remaining output noise <-80 dBu | |
| Mono / Stereo Channel EQ | High Frequency, Broth, ± 15dB, 12K Hz |
| High frequency, peak and valley type, ± 15dB, 2.5K Hz | |
| Low frequency, broom type, ± 15dB, 80Hz | |
| Mono XLR | balanced, 2-pin hot end, 2K ohm, sensitivity -60 to +14 dBu |
| TRS balanced, tip hot 10Kohm, sensitivity -40 to +14 dBu | |
| XLR Phantom Power + 48V | |
| Stereo TRS | non-balanced, tip hot 10Kohm, sensitivity -40 to +14 dBu |
| L / R output TRS, unbalanced, tip hot end, <75 ohm, -2dBu, max + 18dBu | |
| FX / AUX output TRS, unbalanced, tip hot side, <75 ohm, -2dBu, max + 18dBu | |
| Headphones TRS, tip L, ring R, recommended 30 to 600 ohm headphones | |
| Maximum power input power | 15W |
| Dimension | 210mm*230mm*37mm |
