Trantec S4.04 Handheld System CH70

Availability: 2 in stock

The S4.04 Series Handheld system comprises an S4.04-HDX Transmitter and a UHF Wireless Diversity Receiver.
Our price £149.00 £124.17
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Trantec S4.04 Handheld System Channel 70

The S4.04 Series Handheld system comprises an S4.04-HDX Transmitter and a UHF Wireless Diversity Receiver. Featured is an Enhanced Frequency Bank system with up to 4 compatible licence free frequencies.  All built on synthesised PLL quartz tuning technology. Fully utilises the limited space available on Channel 70 whilst maintaining guard bands to protect from adjacent channel interference. Simple easy lock system to synchronise multiple transmitters to receivers.

Handheld Transmitter



Dynamic capsule with a smooth 50Hz – 15kHz frequency response Well defined cardioid pickup pattern rejects feedback and background noise The smooth response is Ideal for additional applications such as instrument recording Stainless Steel mesh protects capsule against damage Capsule soft suspended to avoid handling noise Two stage pop filter shields capsule from Plosive sounds Fully synthesized PLL quartz tuning technology Selected operating channel automatically locks transmitter and receiver together via simple Infra Red link or can be achieved manually Squelch is automatic as the system senses the absence or weak microphone signal and mutes.
Microphone mutes when audio is not present Case unscrews to reveal AA battery, infra-red sensor, channel number and Set to select chosen frequency Range of up to 100 metres Low Battery Alarm is shown on the receiver by a blinking LED An AA battery gives up to 10 hours of quality performance (Not supplied) The Microphone holder fits both  3/8 inch and 5/8 inch 27tpi microphone stands 

Receiver S4.04 series



Diversity reception automatically switches between antennas A and B for best reception
Up to four channels can be used simultaneously without interference
Antennas can be set at any angle to maximise best reception. V formation is usually best
Automatic frequency scan searches for best available frequencies
LEDs show AF peak level, active channel and diversity channel A or B
Signal Squelch automatically mutes when carrier is not present
Simple Sync locking procedure. Manual and automatic. Locks chosen transmitter to receiver
Audio outputs, XLR balanced and Jack unbalanced.

Trantec continue to lead the Radiomic industry with their innovation, consistent performance and build quality. Their products are literally second to none and with the company being UK based, their technical support is the benchmark of the Pro Audio Industry.

Channel 70 is Licence free
Wireless Microphones can tune into frequencies that do not require a licence to operate. There are several licence exempt areas for PMSE use. (Programme Making and Special Events)

The UHF licence exempt range is 863.100-864.900 MHz. This is within Channel 70 which has little spectrum assigned to it so limiting the number of users to four. The power is limited by legislation to 10mWatt. There is no limitation to how many frequencies can used in this channel as long as users stay within the confines of the band. More users could be squeezed in but that would jeopardise clear reception and interference from adjacent channels.

There are currently no plans to remove access to Channel 70; it will continue to be licence exempt for PMSE users.

Channel 70 is adjacent to use of mobile in the 800 MHz band. There should not be any interference however this is the risk taken with the licence exempt channels.

Various accessories are available to enhance the performance and adaptability of the system

What’s in the Box


Handheld Microphone
Receivers Power Supply
Microphone Clip


S4.04 Specifications

S4.04 Receiver

Handheld Transmitter   

Diversity Reception: Antenna Diversity

RF Carrier Power: 10 mW

Sensitivity: 10uV at 45dBA, S/N

Audio Frequency Response: 80 Hz – 15kHz

Squelch: Tone SQ, Carrier SQ, Noise SQ
Audio Input Level: 140 dbSPL (maximum) Audio Frequency Response: 50Hz – 15kHz
Battery Life: Approx. 10 hours Audio Output Level (Max.): Balanced (XLR): -20dBu, Unbalanced(1/4″ jack socket): 10dBu
Power Supply: 1 AA size battery, 1.5V Power Supply: 12 VDC 500mA
Finish: Resin, Coating Dimensions: 215(W) x 39(H) x 102(D)mm
Dimensions: 250 x 55mm Weight: 480g
Weight: 245g with battery