MTB40S is an extremely small and light plug-on transmitter especially designed for professional audio applications.
Very easy and quick to use thanks to OLED display, MTB40S benefit also of the latest Wisycom RF technology along with an enhanced robustness against noise and intermodulation.
Frequency ranges | B7 option: 470 ÷ 663 MHz B3 option: 510 ÷ 698 MHz B2 option: 566 ÷ 798 MHz BP option: 806 ÷ 810 MHz B8 option: 940 ÷ 960 MHz B6 option: 960 ÷ 1160 MHz |
Switchable channels | 2400 managed in 40 groups ofr 60 frequencies completely user customizable |
Switching-window | Up to 232 MHz, depending on band (see Variants below) |
Frequencies | Quartz PLL frequency synthesizer circuit (25 kHz step) |
Frequency error | ± 2.5 ppm, in the rated temperature range |
RF Power | switchable typ. 20 mW/ 20L mW / 50 mW /100 mW note: in some countries high power can be disabled, for local norm! |
Modulation | wideband FM, with pre-emphasis (Narrowband on request) |
Nominal deviation | ±40 kHz Wideband (±25 kHz Narrowband option) |
Peak deviation | ±56 kHz Wideband (±35 kHz Narrowband option) |
Spurious emissions | < 2 nW |
Telemetry feature | TX transmits also a digitally modulated sub-carrier, suitable for: ▪ tone-squelch operating ▪ remote battery monitoring ▪ optional PTT (push to talk) operation |
Noise Reduction system | ENR (Wisycom Extended-NR), with independent Attack- and Recovery-time, noise optimized ENC (Wisycom Extended-NC), with independent Attack- and Recovery-time, voice optimized & with reduced pre-emphasys |
AF bandwidth | 45 Hz ÷ 21 KHz (3dB), 55 Hz ÷ 20 KHz (1dB) Wideband with LPF at 20KHz 45 Hz ÷ 17 KHz (3dB), 55 Hz ÷ 15 KHz (1dB) Narrowband with LPF at 15kHz |
Distortion | < 0.3 % (0.15 % typ.) |
SND/D ratio (Analogue) | 45 Hz ÷ 21 KHz (3dB), 55 Hz ÷ 20 KHz (1dB) Wideband with LPF at 20KHz 45 Hz ÷ 17 KHz (3dB), 55 Hz ÷ 15 KHz (1dB) Narrowband with LPF at 15kHz |
Audio input connector | XLR-3F (transformer isolated) with locking collar and 48V phantom power |
Audio input level | from -54 dBu (775 uV) to 26 dBu (15.5 V) at peak deviation (1 kHz), adjustable in 1 dB steps |
Max input level | +26 dBu (15.5 V) at clipping, +20 dBu (7.75 V) at nominal level |
Managing interface | IrDA |
LED | RGB led indication with (red, green and blue): ▪ Wireless transmission status: GREEN on/RED off ▪ Battery lifetime status: GREEN steady (> 25%), slowly blinking (< 25%), quickly blinking (<12%) ▪ Modulation peek (if activated & the limiter is disabled): RED ▪ Limiter into action: Blue |
Battery lifetime indication | 8 steps : 7 bars (100%-87%-75%-63-50%-38%-25%) and “empty bar” quickly blinking (12% remaining) |
Display | High contrast OLED white display (128 x 32 pixels) |
Power supply | 2 AA size cell (Alkaline, rechargeable NiMH or Lithium)– Phantom Power to Mic (max 4 mA) |
Temperature range | -10 ÷ +55 °C |
Dimensions | 124 x 40 x 34 mm (Height-Width-Depth) |
Weight | Approx. 210 g. without batteries (250g with batt) |
Factory lead time : 3-4 weeks - TBC