SLTC series Telephone Hybrid is specially designed to meet the need for access and control of hotline. It applies for audience interaction in occasions like live show in broadcasting and TV station, telephone conference, telephone recording and signal return.

Can connect with 4 channels, easy to check-in and check-out. It can be set to hold-on, free-talk and conference at the same time or separately.

Can realize sharing one set hotline equipment for 2 studios.

Special switchers to remove side tones to avoid the noise and assure the sound quality.

Inserted intercom, microphone and speakers included in director and host control panel.

Director-off mode is for presenter to auto answer and switch.

Effective in Lighting-isolated situation.

Input impendence 10KΩ (balance)

Output impendence 600Ω (balance)

Frequency Response 300HZ—3KHZ

Distortion≤1%

SNR ≥75dB (Telephone line noise not included)

Sidetone suppression ≥45dB

AC 180~240V 0.5A

Power consumption    10W

Hunan Shuangln Electronic Technology Co., Ltd. was officially approved and registered by the government, which is specialized in researching and developing television and broadcast products, has more than 19-year of experience on product research, production and integration.It has a research and development team of more than 60 professors, doctors, masters and engineers, and constantly develops new products and improves product quality to satisfy customers' ever-changing requirement. It has its own professional production & installation& inspection team to ensure the quality of products and projects.

Its main products include all kinds of analog/digital audio products, and all kinds of HD/SD video products, for example, audio and video recording, editing, broadcasting, storing, monitoring and controlling systems as follows:

Digital/Analog Audio Equipment include Digital Audio Live Broadcasting Mixer, Audio Automotive Gain Controller, Audio Loudness Controller, Broadcast Time Delay, Telephone Hybrid, Audio Switcher, Audio Intelligent Emergency/Backup Switcher, Audio Matrix Switcher, Audio Distributor, Audio Balance Unbalance Converter, Analog Digital Converter, Audio Transmission Over IP/Cobranet/3G,Etc.        

Digital/Analog Video Equipment include HD/SD Video Switcher, Video Backup Switcher, Video Matrix Switcher, Loudness Controller, Embedded Audio Processor, Video Frame Synchronizer, Video& Audio Embedder, De-Embedder, Keyer, Logo Generators ,Logo Generator & Keyer, Logo& Title Inserter, Sync Generator, Etc.

Digital AUDIO/VIDEO Recording, Editing, Storing, Broadcasting, Monitoring, And Control Network. Audio Auto Broadcast Systems. Virtual Studios .Over Control Systems For Studios. Multi-Channel Audio/Video Measurement, Monitor, Analysis Systems.

GPS Timing Systems, MAM (Media Asset Management), News Script Management. Advertisement Management.

Due to their high quality and competitive prices, the products are quite popular all over the world. They have more than 3000 clients from TV stations and over 2000 from Radio stations in domestic market. And keep fast growing in international markets.