I. Đặc điểm của bộ phát Sennheiser SK 300 G4-RC:
The SK 300 G4-RC Bodypack Transmitter from Sennheiser features 3520 UHF frequencies in 25 MHz steps and is built with 20 fixed frequency banks, 32 frequency presets, and 6 user banks with up to 32 user programmable frequencies. It can be used to capture audio when paired with a companion receiver and microphone in various environments for broadcast TV, ENG, and field applications.
The transmitter is menu-driven with a backlit LCD display showing the current frequency, frequency bank, channel number, metering of output level, transmission status, battery status, and more. An auto-lock feature prevents settings from being accidentally altered. The transmitter can be synchronized via an integrated infrared interface and is programmable in the bodypack transmitter menu. Power is supplied by two 1.5V AA batteries or by a Sennheiser BA 2015 rechargeable accupack. The unit is enclosed in a rugged metal housing and is equipped with a 2.5mm jack to connect a remote mute switch. A 3.5mm jack socket is featured for the mic/line inputs.
Đặc điểm bộ phát của micro không dây Sennheiser SK 300 G4-RC
- Robust bodypack transmitter for use with any Sennheiser headmic or lavalier microphone
- Easy to use, fast setup time
- Integrated network port allows control, monitoring, and setup via Sennheiser Control Cockpit and WSM software
- Broad range of products and existing accessories (such as microphones) allows usage in any kind of environment
- Up to 88 MHz bandwidth, up to 32 channels
- Increased RF output power: 10/30/50mW
- Transmission Range: up to 330 feet
- RC (remote control) switch available for the bodypack transmitter
II. Thông số kĩ thuật bộ phát Sennheiser SK 300 G4-RC:
| Dimensions |
Approx. 82 x 64 x 24 mm |
| Compander |
Sennheiser HDX |
| THD, total harmonic distortion |
≤ 0.9 % |
| Weight |
(incl. batteries) approx. 160 g |
| Signal-to-noise ratio |
≥ 115 dBA |
| RF output power |
switchable: Low: typ. 10 mW, Standard: typ. 30 mW, High: typ. 50 mW |
| Switching bandwidth |
up to 88 MHz |
| Peak deviation |
±48 kHz |
| Nominal deviation |
±24 kHz |
| Operating time |
Typically 8 h |
| Modulation |
Wideband FM |
| Power supply |
2 AA batteries, 1.5 V or BA 2015 accupack |
| Current consumption |
at nominal voltage: typ. 180 mA
with transmitter switched off: ≤ 25 µA |
| Input impedance |
40 kΩ, unbalanced / 1 MΩ |
| Max. Input voltage |
3 Veff |
| Powering |
3 V battery / 2.4 V rechargeable battery |
| Transmission frequency |
Max. 3520 frequencies, adjustable in 25 kHz steps, 20 frequency banks, each with up to 32 factory-preset channels, no intermodulation, 6 frequency banks with up to 32 programmable channels |
| AF frequency response |
Mic: 80 – 18,000, Hz Line: 25 – 18,000 Hz |
| Temperature Range |
-10 °C to +55 °C |
| Frequency stability |
≤ ±15 ppm |
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