I/ Bộ thu hình và máy phát kèm micro Sennheiser EW 112P G4
A broadcast quality sound solution. Providing the highest flexibility for your video sound and field recording applications.
A robust wireless microphone system that offers excellent sound quality, simple mounting and ease of use.
Rugged all-in-one wireless system with high flexibility for broadcast quality sound, including the clip-on microphone ME 2-II (omni-directional) or ME 4 (cardioid) for excellent speech intelligibility and daily on-location use.
- Thiết bị Bộ thu hình và máy phát kèm micro Sennheiser EW 112P G4
- EK 100 G4 camera receiver
- SK 100 G4 bodypack transmitter
- ME 2 clip-on microphone (ew 112 P variants only)
II/ Đặc điểm Bộ thu hình và máy phát kèm micro Sennheiser EW 112P G4
- Rugged all-in-one wireless system with high flexibility for broadcast quality sound
- Excellent sound and construction quality
- Easy to use and fast setup time
- Powerful and reliable wireless transmission
- Range: up to 100 meters / 330 feet
- Up to 8 hours of operation time
III/ Thông số kĩ thuật Bộ thu hình và máy phát kèm micro Sennheiser EW 112P G4
1/ Sennheiser EK 100 G4 camera receiver
The EK 100 G4 Wireless Camera-Mount Receiver from Sennheiser is the latest addition to their evolution family of wireless microphones and is fully compatible with all previous series. Featuring an updated high-contrast LCD display, blue sync LED, and a dedicated escape button, it can be used when paired with a microphone and transmitter (sold separately) for capturing audio in live sound, broadcast, film, business, and educational applications.
The EK 100 G4 wireless receiver is lightweight and built with an all-metal housing. It is equipped with 1680 tunable UHF frequencies and synchronizes with G4 transmitters at the touch of a button. A 3.5mm audio-output jack delivers a clean output signal using the included adapter output cables. The receiver operates on 2 standard AA batteries, and an optional 12 VDC adapter is also available. The included shoe-mount adapter allows you to mount the receiver on a camera for convenient portable use.
| Modulation |
Wideband FM |
| Frequency Band |
G: (566 to 608 MHz) |
| Receiving Frequency |
Maximum 1680 receiving frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 16 factory-preset channels, no intermodulation 1 frequency bank with up to 12 programmable channels |
| Switching Bandwidth |
Up to 42 MHz |
| Nominal/Peak Deviation |
±24 kHz / ±48 kHz |
| Principle of Operation |
Adaptive diversity |
| Sensitivity |
< 1.6 μV for 52 dBA eff S/N (with HDX, peak deviation) |
| Adjacent Channel Selectivity |
≥ 65 dB |
| Intermodulation Attenuation |
Typically ≥ 65 dB |
| Blocking |
≥ 70 dB |
| Squelch |
Low: 5 dBµV
Middle: 15 dBµV
High: 25 dBμV |
| Pilot Tone Squelch |
Can be switched off |
| Antenna Inputs |
2 x BNC sockets |
| Compander |
Sennheiser HDX |
| Signal to Noise Ratio |
≥ 110 dBA (1 mV, peak deviation) |
| Total Harmonic Distortion (THD) |
≤ 0.9% |
| Maximum AF Output Voltage |
1/8" /3.5 mm Jack: +12 dBu (mono, unbalanced) |
| Output Level Range |
42 dB, adjustable in steps of 6 dB |
| Temperature Range |
14 to 131°F (-10 to 55°C) |
| Power Supply |
2 x AA 1.5 V batteries, or BA 2015 accupack |
| Nominal Voltage |
3 V battery / 2.4 V rechargeable battery |
| Current Consumption |
Nominal Voltage: Typical 180 mA
With Receiver Switched Off: ≤ 25 µA |
| Operating Time |
Typically 8 hours |
| Dimensions (L x W x H) |
3.2 x 2.5 x 0.9" / 82 x 64 x 24 mm |
| Weight |
5.6 oz / 160 g |
2/ Sennheiser SK 500 G4 bodypack transmitter
The SK 500 G4 Wireless Bodypack Transmitter from Sennheiser is the latest addition to their evolution series of wireless transmitters. It operates in the UHF frequency range and can be used with a companion receiver (sold separately), as part of a wireless RF transmission system for live stage, theater, film, and presentation applications.
The bodypack transmitter features 2000 frequencies that are tunable in 25 kHz steps, 20 fixed frequency banks, 32 compatible frequency presets, and 6 user banks with up to 32 user programmable frequencies. The transmitter's menu-driven backlit LCD display shows the current frequency, frequency bank and channel number, metering of AF level, lock status, transmission status, muting function, battery status, and more.
In addition, the operating range is about 330'. This transmitter incorporates a Sennheiser HDX compander system, a defeatable pilot tone squelch, and is equipped with a frequency range from 80 Hz to 18 kHz. Finally, power is supplied by the two included 1.5V AA sized batteries, or by one optional Sennheiser BA 2015 rechargeable accupack. A travel pouch is also included.
- Updated bodypack transmitter with increased bandwidth and transmission power.
- Easy and flexible wireless synchronization between transmitter and receiver via infrared.
- Up to 32 compatible channels.
- Up to 50 MHz bandwidth with 2000 selectable frequencies, fully tunable in a stable UHF range.
- Ethernet connection for Wireless Systems Manager (WSM) control software for advanced frequency coordination in multi-channel setups.
- High RF output power (up to 50mW, adjustable in three steps 10/30/50) depending on country regulations.
| 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 |
3/ Sennheiser ME 2 clip-on microphone
| Connector |
3.5 mm jack |
| Frequency response |
50 to 18,000 Hz (ME 2-II) |
| Max. sound pressure level |
130 dB |
| Cable length |
approx. 1.60 m |
| Transducer principle |
pre-polarized condensor microphone |
| Pick-up pattern |
omni-directional |
| Sensitivity in free field, no load (1kHz) |
20 mV/Pa |
| Equivalent noise level |
36 dB |