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Thông số kỹ thuật

1/ Sennheiser EK 100 G4 camera receiver

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

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 SKP 100 G4 plug-on transmitter

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
Frequency Stability	≤ ±15 ppm
RF Output Power	@ 50 Ohms:Maximum 30 mW
Pilot Tone Squelch	Can be switched off
Compander	Sennheiser HDX
AF Frequency Response	80 Hz to 18 kHz
Signal to Noise Ratio	≥ 110 dBA (1 mV, peak deviation)
Total Harmonic Distortion (THD)	≤ 0.9%
Maximum Input Voltage	3.3 V eff
Input Impedance	68 kOhms, unbalanced
Input Capacitance	Switchable
Input Sensitivity Range	48 dB, adjustable in 6 dB steps
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 Transmitter Switched Off: ≤ 25 μA
Dimensions (W x L x H)	4.1 x 1.7 x 1.7" / 105 x 43 x 43 mm
Weight	6.9 oz / 195 g (including batteries)

4/ 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

Xem đầy đủ thông số kỹ thuật

I. Đặc điểm của bộ thu và phát kèm micro Sennheiser EW 100 ENG G4:

The Sennheiser ew 100 ENG G4 Wireless Microphone Combo System is the latest addition to Sennheiser's evolution family of wireless microphones and it is fully compatible with all previous series. This package includes the EK 100 G4 camera-mount receiver, SK 100 G4 bodypack transmitter with ME 2-II lavalier, and the SKP 100 G4 plug-on transmitter. Accessories include a CA 2 camera mount, 1/8" to 1/8" cable, and a 1/8" to XLR cable. It can be used to capture audio for live sound, broadcast and film, business, and educational applications.

Bộ thu và phát kèm micro Sennheiser EW 100 ENG G4

The wireless microphone system features 1680 tunable frequencies, 20 frequency banks, and 12 frequency presets per bank. The EK 100 G4 receiver is made of a durable metal enclosure and equipped with an updated high-contrast LCD and OLED display, a blue sync LED, and a dedicated escape button. Built with a 1/8" unbalanced TRS mini output for quick connection to camcorders, the receiver features 4-preset memory locations, that can be reassigned to any of the 1680 available frequencies, within the 42 MHz tuning range.

Additionally, the SK 100 G4 bodypack transmitter features an identically designed enclosure as the receiver. It is built with a high-contrast LCD and OLED display, and 12 preset memory locations, which can be reassigned to any of the available 1680 frequencies. The SK 100 G4 transmitter provides a 1/8" locking mini input jack for compatible lavalier microphones. In addition, the ME 2-II omnidirectional lavalier microphone features a sensitivity and frequency response suitable for capturing audio in the most demanding environments.

Finally, the SKP 100 G4 plug-on transmitter allows any standard dynamic microphone with a 3-pin XLR connection to be used wirelessly. This transmitter utilizes the same frequency band as the bodypack and is powered by 2 x AA batteries or optional Sennheiser BA2015 accupack.

Thiết bị Bộ thu và phát kèm micro không dây Sennheiser EW 500 G4-MKE2

EK 100 G4 camera receiver
SK 100 G4 bodypack transmitter
SKP 100 G4 plug-on transmitter
ME 2 clip-on microphone

Tính năng bộ thu và phát kèm micro Sennheiser EW 100 ENG 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

II. Thông số kĩ thuật Bộ thu và phát kèm micro Sennheiser EW 500 G4-MKE2

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.

Bộ thu và phát kèm micro Sennheiser EW 100 ENG G4

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.

Bộ thu và phát kèm micro Sennheiser EW 100 ENG G4

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 SKP 100 G4 plug-on transmitter

The SKP 100 G4 Plug-On Transmitter for Dynamic Microphones 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 dynamic microphone and portable receiver (sold separately) for capturing audio in live sound, broadcast, film, business, and educational applications.

It easily plugs onto microphones with XLR connections transforming them into world-class wireless units when combined with EM 100 G4 or EK 100 G4 receivers. This compact and lightweight transmitter has a run-time of up to 8 hours on just (2) AA batteries.

Bộ thu và phát kèm micro Sennheiser EW 100 ENG G4

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
Frequency Stability	≤ ±15 ppm
RF Output Power	@ 50 Ohms:Maximum 30 mW
Pilot Tone Squelch	Can be switched off
Compander	Sennheiser HDX
AF Frequency Response	80 Hz to 18 kHz
Signal to Noise Ratio	≥ 110 dBA (1 mV, peak deviation)
Total Harmonic Distortion (THD)	≤ 0.9%
Maximum Input Voltage	3.3 V eff
Input Impedance	68 kOhms, unbalanced
Input Capacitance	Switchable
Input Sensitivity Range	48 dB, adjustable in 6 dB steps
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 Transmitter Switched Off: ≤ 25 μA
Dimensions (W x L x H)	4.1 x 1.7 x 1.7" / 105 x 43 x 43 mm
Weight	6.9 oz / 195 g (including batteries)

4/ Sennheiser ME 2 clip-on microphone

Bộ thu và phát kèm micro Sennheiser EW 100 ENG G4

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

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Thông số kỹ thuật

1/ Sennheiser EK 100 G4 camera receiver

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

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 SKP 100 G4 plug-on transmitter

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
Frequency Stability	≤ ±15 ppm
RF Output Power	@ 50 Ohms:Maximum 30 mW
Pilot Tone Squelch	Can be switched off
Compander	Sennheiser HDX
AF Frequency Response	80 Hz to 18 kHz
Signal to Noise Ratio	≥ 110 dBA (1 mV, peak deviation)
Total Harmonic Distortion (THD)	≤ 0.9%
Maximum Input Voltage	3.3 V eff
Input Impedance	68 kOhms, unbalanced
Input Capacitance	Switchable
Input Sensitivity Range	48 dB, adjustable in 6 dB steps
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 Transmitter Switched Off: ≤ 25 μA
Dimensions (W x L x H)	4.1 x 1.7 x 1.7" / 105 x 43 x 43 mm
Weight	6.9 oz / 195 g (including batteries)

4/ 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

Xem đầy đủ thông số kỹ thuật

Thông số kỹ thuật chi tiết Bộ thu và phát kèm micro Sennheiser EW 100 ENG G4

1/ Sennheiser EK 100 G4 camera receiver

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

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 SKP 100 G4 plug-on transmitter

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
Frequency Stability	≤ ±15 ppm
RF Output Power	@ 50 Ohms:Maximum 30 mW
Pilot Tone Squelch	Can be switched off
Compander	Sennheiser HDX
AF Frequency Response	80 Hz to 18 kHz
Signal to Noise Ratio	≥ 110 dBA (1 mV, peak deviation)
Total Harmonic Distortion (THD)	≤ 0.9%
Maximum Input Voltage	3.3 V eff
Input Impedance	68 kOhms, unbalanced
Input Capacitance	Switchable
Input Sensitivity Range	48 dB, adjustable in 6 dB steps
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 Transmitter Switched Off: ≤ 25 μA
Dimensions (W x L x H)	4.1 x 1.7 x 1.7" / 105 x 43 x 43 mm
Weight	6.9 oz / 195 g (including batteries)

4/ 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