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Thông số kỹ thuật

1/ EM 300-500 G4 true diversity receiver

Dimensions	Approx. 202 x 212 x 43 mm
Compander	Sennheiser HDX
THD, total harmonic distortion	≤ 0.9 %
Weight	Approx. 980 g
Audio output	6.3 mm jack socket (unbalanced): +12 dBu XLR socket (balanced): +18 dBu
Signal-to-noise ratio	≥ 115 dBA
Switching bandwidth	up to 88 MHz
Peak deviation	±48 kHz
Nominal deviation	±24 kHz
Modulation	Wideband FM
Power supply	12 V DC
Antenna connector	2 BNC sockets
Current consumption	350 mA
Adjacent channel rejection	Typically ≥ 75 dB
Intermodulation attenuation	Typically ≥ 70 dB
Frequency range	AS: 520 - 558 MHz K+: 925 - 937.5 MHz JB: 806 - 810 MHz GBw: 606 - 678 MHz Gw: 558 - 626 MHz Bw: 626 - 698 MHz Cw: 718 - 790 MHz Dw: 790 - 865 MHz Aw+: 470 - 558 MHz Gw1: 558 - 608 MHz
Receiving frequency	Max. 3520 receiving 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
RF sensitivity	< 2.5 μV for 52 dBA eff S/N
Squelch	5 to 25 dBμV in steps of 2 dB
Equalizer	Preset 1: Flat Preset 2: Low Cut (-3 dB at 180 Hz) Preset 3: Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz) Preset 4: High Boost (+6 dB at 10 kHz)
Temperature Range	-10 °C to +55 °C
Receiver Principle	True diversity
Blocking	≥ 75 dB

2/ Sennheiser SKM 300 G4-S handheld transmitter

Dimensions	Approx. Ø 50 x 265 mm
Compander	Sennheiser HDX
THD, total harmonic distortion	≤ 0.9 %
Weight	(incl. batteries) approx. 450 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
Powering	3 V battery / 2.4 V rechargeable battery
Transmission frequency	Max. 3520 transmission 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	80 – 18,000 Hz
Temperature Range	-10 °C to +55 °C
Frequency stability	≤ ±15 ppm

3/ MMD 945-1 microphone head (only 945 variants)

Sound pressure level (SPL)	154 dB SPL
Transducer principle	Dynamic
Pick-up pattern	supercardioid
Sensitivity	1.8 mV/Pa

Xem đầy đủ thông số kỹ thuật

I. Đặc điểm của bộ thu và phát sennheiser EW 500 G4-945:

The pro‘s choice. Renowned sound engineers rely on ew 500 G4‘s flexibility, especially when handling multi channel settings on the world‘s music stages. Up to 88 MHz bandwidth, up to 32 channels. Ethernet connection for Wireless Systems Manager (WSM) control software included for advanced frequency coordination in multi-channel setups.
The pinnacle of the evolution series, powered by Sennheiser’s renowned e 900 capsules e 935, e 945, and e 965 on a lightweight black aluminum handheld transmitter, ready to take the world’s biggest live stages.

Bộ thu và phát Sennheiser EW 500 G4-945

Thiết bị bộ thu và phát Sennheiser EW 500 G4-945

EM 300-500 G4 true diversity receiver
SKM 300 G4-S handheld transmitter
MMD 945-1 microphone head (only 945 variants)

Tính năng của bộ thu và phát của micro không dây Sennheiser EW 500 G4-945

True diversity half-rack receiver in a full-metal housing with intuitive OLED display for full control
Easy and flexible wireless synchronization between transmitter and receiver via infrared
Up to 32 compatible channels
Up to 88 MHz bandwidth with 3520 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 50 mW, adjustable in three steps 10/30/50) depending on country regulations

II. Thông số kĩ thuật bộ thu và phát Sennheiser EW 500 G4-945

1. EM 300-500 G4 true diversity receiver

The EM 300-500 G4 Wireless True Diversity Receiver from Sennheiser is the latest addition to their evolution series of wireless receivers. It operates in the UHF frequency range and can be used with a companion transmitter and microphone (sold separately), as part of a wireless RF transmission system for live stage, theater, and presentation applications.

The half-rack receiver features 3250 frequencies and is tunable in 25 kHz steps. There are 20 fixed frequency banks with up to 32 compatible frequency presets and 6 user banks with up to 32 user programmable frequencies. This receiver is built with a menu-driven backlit OLED display showing current frequency, frequency bank and channel number, metering of RF level, volume level, line output level, lock status, battery status, muting function, and more.

Bộ thu và phát Sennheiser EW 500 G4-945

Enclosed in a rugged metal housing, the EM 300-500 G4 receiver is equipped with a balanced XLR-3M audio output along with an unbalanced 1/4" audio output. A 1/4" headphone output with headphone volume control is provided along with an Ethernet port (RF45) for remote network-based monitoring and control, using Sennheiser's Wireless System Manager software. Two BNC-type sockets are for connecting the antennas. Finally, the half-rack receiver operates on the included 12V power supply and includes a GA3 rackmount set.

True diversity half-rack receiver in a full-metal housing with intuitive OLED display for full control
Easy and flexible wireless synchronization between transmitter and receiver via infrared
Up to 32 compatible channels
Up to 88 MHz bandwidth with 3250 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. 202 x 212 x 43 mm
Compander	Sennheiser HDX
THD, total harmonic distortion	≤ 0.9 %
Weight	Approx. 980 g
Audio output	6.3 mm jack socket (unbalanced): +12 dBu XLR socket (balanced): +18 dBu
Signal-to-noise ratio	≥ 115 dBA
Switching bandwidth	up to 88 MHz
Peak deviation	±48 kHz
Nominal deviation	±24 kHz
Modulation	Wideband FM
Power supply	12 V DC
Antenna connector	2 BNC sockets
Current consumption	350 mA
Adjacent channel rejection	Typically ≥ 75 dB
Intermodulation attenuation	Typically ≥ 70 dB
Frequency range	AS: 520 - 558 MHz K+: 925 - 937.5 MHz JB: 806 - 810 MHz GBw: 606 - 678 MHz Gw: 558 - 626 MHz Bw: 626 - 698 MHz Cw: 718 - 790 MHz Dw: 790 - 865 MHz Aw+: 470 - 558 MHz Gw1: 558 - 608 MHz
Receiving frequency	Max. 3520 receiving 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
RF sensitivity	< 2.5 μV for 52 dBA eff S/N
Squelch	5 to 25 dBμV in steps of 2 dB
Equalizer	Preset 1: Flat Preset 2: Low Cut (-3 dB at 180 Hz) Preset 3: Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz) Preset 4: High Boost (+6 dB at 10 kHz)
Temperature Range	-10 °C to +55 °C
Receiver Principle	True diversity
Blocking	≥ 75 dB

2. Sennheiser SKM 300 G4-S handheld transmitter

The SKM 300 G4 Wireless Handheld Transmitter, No Capsule 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 and a microphone capsule (sold separately) as part of a wireless RF transmission system for live stage, theater, and presentation applications.

Bộ thu và phát Sennheiser EW 500 G4-945

It features 3250 frequencies that are tunable in 25 kHz steps and equipped with 20 fixed-frequency banks with up to 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, transmission status, muting function, battery status, and more. Furthermore, the SKM 300 G4 handheld transmitter's frequency response ranges from 80 Hz to 18 kHz and power is supplied by two 1.5V AA size batteries, or by one Sennheiser BA 2015 rechargeable accupack. Also, an e 935, e 945, or e 965 microphone capsule is required (sold separately).

Handheld transmitter features a lightweight aluminum housing for use with a microphone capsule (sold separately)
Easy and flexible wireless synchronization between transmitter and receiver via infrared
Easy to use, fast setup time
Integrated network port allows control, monitoring, and setup via Sennheiser Control Cockpit and WSM software.
Up to 88 MHz bandwidth with 3250 selectable frequencies, fully tunable in a stable UHF range
Increased RF output power (10/30/50 mW)
Transmission range up to 330'
Requires an e 935, e 945, or e 965 microphone capsule (sold separately)

Dimensions	Approx. Ø 50 x 265 mm
Compander	Sennheiser HDX
THD, total harmonic distortion	≤ 0.9 %
Weight	(incl. batteries) approx. 450 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
Powering	3 V battery / 2.4 V rechargeable battery
Transmission frequency	Max. 3520 transmission 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	80 – 18,000 Hz
Temperature Range	-10 °C to +55 °C
Frequency stability	≤ ±15 ppm

3. MMD 945-1 microphone head (only 945 variants)

The Sennheiser MMD 945 is a cardioid capsule. It can be used to capture audio when paired with a receiver and the SKM 100/300/500 G3/G4, SKM 2000/6000/9000, SKM D1/AVX, and SL handheld DW wireless handheld transmitters (sold separately). The capsule is easily installed, includes a metal grille and replaces faulty or damaged capsules. The interchangeable capsule system also allows users to select among capsules with differing sensitivity levels and polarity patterns.

Bộ thu và phát Sennheiser EW 500 G4-945

Sound pressure level (SPL)	154 dB SPL
Transducer principle	Dynamic
Pick-up pattern	supercardioid
Sensitivity	1.8 mV/Pa

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Đánh giá Bộ thu và phát Sennheiser EW 500 G4-945

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Thông số kỹ thuật

1/ EM 300-500 G4 true diversity receiver

Dimensions	Approx. 202 x 212 x 43 mm
Compander	Sennheiser HDX
THD, total harmonic distortion	≤ 0.9 %
Weight	Approx. 980 g
Audio output	6.3 mm jack socket (unbalanced): +12 dBu XLR socket (balanced): +18 dBu
Signal-to-noise ratio	≥ 115 dBA
Switching bandwidth	up to 88 MHz
Peak deviation	±48 kHz
Nominal deviation	±24 kHz
Modulation	Wideband FM
Power supply	12 V DC
Antenna connector	2 BNC sockets
Current consumption	350 mA
Adjacent channel rejection	Typically ≥ 75 dB
Intermodulation attenuation	Typically ≥ 70 dB
Frequency range	AS: 520 - 558 MHz K+: 925 - 937.5 MHz JB: 806 - 810 MHz GBw: 606 - 678 MHz Gw: 558 - 626 MHz Bw: 626 - 698 MHz Cw: 718 - 790 MHz Dw: 790 - 865 MHz Aw+: 470 - 558 MHz Gw1: 558 - 608 MHz
Receiving frequency	Max. 3520 receiving 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
RF sensitivity	< 2.5 μV for 52 dBA eff S/N
Squelch	5 to 25 dBμV in steps of 2 dB
Equalizer	Preset 1: Flat Preset 2: Low Cut (-3 dB at 180 Hz) Preset 3: Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz) Preset 4: High Boost (+6 dB at 10 kHz)
Temperature Range	-10 °C to +55 °C
Receiver Principle	True diversity
Blocking	≥ 75 dB

2/ Sennheiser SKM 300 G4-S handheld transmitter

Dimensions	Approx. Ø 50 x 265 mm
Compander	Sennheiser HDX
THD, total harmonic distortion	≤ 0.9 %
Weight	(incl. batteries) approx. 450 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
Powering	3 V battery / 2.4 V rechargeable battery
Transmission frequency	Max. 3520 transmission 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	80 – 18,000 Hz
Temperature Range	-10 °C to +55 °C
Frequency stability	≤ ±15 ppm

3/ MMD 945-1 microphone head (only 945 variants)

Sound pressure level (SPL)	154 dB SPL
Transducer principle	Dynamic
Pick-up pattern	supercardioid
Sensitivity	1.8 mV/Pa

Xem đầy đủ thông số kỹ thuật

Thông số kỹ thuật chi tiết Bộ thu và phát Sennheiser EW 500 G4-945

1/ EM 300-500 G4 true diversity receiver

Dimensions	Approx. 202 x 212 x 43 mm
Compander	Sennheiser HDX
THD, total harmonic distortion	≤ 0.9 %
Weight	Approx. 980 g
Audio output	6.3 mm jack socket (unbalanced): +12 dBu XLR socket (balanced): +18 dBu
Signal-to-noise ratio	≥ 115 dBA
Switching bandwidth	up to 88 MHz
Peak deviation	±48 kHz
Nominal deviation	±24 kHz
Modulation	Wideband FM
Power supply	12 V DC
Antenna connector	2 BNC sockets
Current consumption	350 mA
Adjacent channel rejection	Typically ≥ 75 dB
Intermodulation attenuation	Typically ≥ 70 dB
Frequency range	AS: 520 - 558 MHz K+: 925 - 937.5 MHz JB: 806 - 810 MHz GBw: 606 - 678 MHz Gw: 558 - 626 MHz Bw: 626 - 698 MHz Cw: 718 - 790 MHz Dw: 790 - 865 MHz Aw+: 470 - 558 MHz Gw1: 558 - 608 MHz
Receiving frequency	Max. 3520 receiving 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
RF sensitivity	< 2.5 μV for 52 dBA eff S/N
Squelch	5 to 25 dBμV in steps of 2 dB
Equalizer	Preset 1: Flat Preset 2: Low Cut (-3 dB at 180 Hz) Preset 3: Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz) Preset 4: High Boost (+6 dB at 10 kHz)
Temperature Range	-10 °C to +55 °C
Receiver Principle	True diversity
Blocking	≥ 75 dB

2/ Sennheiser SKM 300 G4-S handheld transmitter

Dimensions	Approx. Ø 50 x 265 mm
Compander	Sennheiser HDX
THD, total harmonic distortion	≤ 0.9 %
Weight	(incl. batteries) approx. 450 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
Powering	3 V battery / 2.4 V rechargeable battery
Transmission frequency	Max. 3520 transmission 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	80 – 18,000 Hz
Temperature Range	-10 °C to +55 °C
Frequency stability	≤ ±15 ppm