JTS SIEM-111 CH38 IEM System inc. IE-1 HD In Ear Headphones

Vendor: JTS
SKU: 125-81305
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The SIEM-111 System features reliable JTS UHF PLL technology.
There are 961 selectable UHF channels available. As many as 16 sets of SIEM-111T transmitters can operate on the same stage.
The system offers 4 groups, with each group having 16 compatible preset channels to choose from. This allows the monitor engineer to set up systems quickly and easily.
MPX Stereo Audio Transmission / Reception, switchable to Mono operation if desired.
All metal case construction on the SIEM 111R and SIEM 111T.
The JTS advanced circuitry assures outstanding signal-to-noise ratio.
IE-1 and IE-6 earphones seal off the ear canal with JTS designed Dyna-Driver earbuds which reduce undesired stage noise, ambient sound levels.
3 pairs of different sized Silicon sleeves included with the IE series earphones ensure a right fit for the user's ear canal and comfort.


Carrier Frequency Range: 502~960 MHz
RF Output Power: 10 mW
Nominal Frequency Deviation (modulation): ±40KHz
Audio Input Impedance: 20kΩ
Nominal Input Level: -10 dBV ; 0 dBV (ATT-10 dBV)
Maximal Input Level: 10 dBV ; 20 dBV (ATT-10 dBV)
LCD Display: AF Level, Stereo/Mono, Attenuation Level, Group, Channel, Frequency
Audio Input Connector: 2 x Balanced XLR /Ø6.3mm phone Combo Socket
Audio Output Connector: 1 x 1/8” Stereo Phone Jack / 1 x 1/4” Stereo Phone Jack
Loop Out Connector: 2 x Balanced Loop Out Socket
Switching Power Supply: 100-240V Switching power supply

Input Level Select Switch: 0dB / -10dB
Earphone Output.: 60 mW
Minimum Load Impedance: 16Ω
LCD Display: RF Level, Lock-On, Battery Fuel Gauge, Stereo/Mono, HF booster, Dynamic Limiter, Group, Channel, Mute, Frequency
Output Connector: 1/8” Stereo Phone Jack
Power Supply: 2 AA batteries
Operation Hour.: Over 12 hours

SIEM-111T: 210 x 168 x 38 mm
SIEM-111R: 105 x 70 x 29 mm

SIEM-111T: 0.635 kg
SIEM-111R: 0.113 kg



JTS IE-1 Hi Definition In Ear Headphones Description
This wideband dynadriver earphone reproduces a full range of frequency, natural mids, and full highs and bass.
It delivers sound musicians want and should be heard with full detail.
Three pairs of silicon sleeve are provided with different sizes for best fitting and sound isolation.
Human friendly mechanical structure ensures long time fatigueless wearing.
Ergonomic design for long-time wearing without fatigue.

Frequency Response: 20~20,000 Hz
Transducer Type: Dynamic
Impedance: 16Ω
Sensitivity (at 1000Hz): 114 dB/mW
Distortion: Less than 0.3%

Cord: 1480 mm
Plug: Ø3.5

0.006 kg

Delivery & Returns

Free Delivery

This is offered on all products regardless of order value to all mainland UK postcodes. Your purchase will be with you within 3 working days of your order being placed. If you are in the Scottish Highlands, Northern Ireland, Isle of Man and the Channel Isles you will still get free delivery but your order may take up to 5 working days to get to you.

I need my products quickly- can you help?

Absolutely! At check out you can select the option that suits you best.
We offer Next day, Saturday, Pre-10am and Pre-12pm delivery.
Unfortunately these options are not yet available for customers in the Scottish Highliands, Northern Ireland, Isle of Man and the Channel Isles.

When is the cut off for Next day delivery?

If you place your order before 2pm Monday- Friday, we will dispatch the same day.

For more information, including International delivery please click here.


Our returns department aims to help you as quickly as possible with any issues you may have with your product.

Please click here for more information on returning products.

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