ProductsFM Transmitter50W-5KW FM radio station +Studio equipment complete kit

  • Product Name:

    Hotline Telephone Coupler / TH804B / Bridge / Director Phone TH 804B

  • Categories:50W-5KW FM radio station +Studio equipment complete kit / Products / STL studio
  • Date:2020-03-17
  • Technical performance: This product is a professional hotline telephone access and control device, which can be used by various radio stations and TV stations in live programs, and can also be used in conference calls, telephone recording and ...
Sample/Wholesale
Price
Shipping
Carrier
Buy it Now
1 pcs sample
480 USD
/pcs
180 USD
DHL/UPS 7-10days

2 pcs
450 USD
/pcs
265 USD
DHL/UPS 7-10days

Product Description

Technical performance:

  • This product is a professional hotline telephone access and control device, which can be used by various radio stations and TV stations in live programs, and can also be used in conference calls, telephone recording and other occasions.
  • Provide four-way telephone access, using microcomputer chip and electronic switch technology, each channel is independent of each other, convenient for cut-in and cut-out operation, and can achieve simultaneous access of up to four telephones. Can be set to multi-party calls, free conversation, or call hold, talk separately.
  • Provide audio and control interfaces for the two live broadcast rooms. Users only need to add a control box and corresponding control cables to realize the sharing of a set of hotline devices in the two live broadcast rooms.
  • Each channel is equipped with side tone adjustment switch, which can get better phone sound quality and avoid harmful sound feedback.
  • Built-in call device in the guide and host control box, including microphone and speaker (the host can exchange the call output to the mixer or headphone distributor), and has a call button, making internal calls very convenient .
  • The non-guided mode is suitable for automatically answering and switching hotline calls when the host is present (this feature needs to be customized after the user proposes).

Technical index:

  • Audio input: (from live room) 10KΩ balanced 0dBu 6.35mm three-pin plug
  • Audio output: (to the live broadcast room) 20Ω balanced 0dBu 6.35mm three-pin plug

(Mixed output) 600Ω unbalanced -10dBV 6.35mm three-pin plug (headphone) 16Ω 6.35mm three-pin plug

(Internal call output) 8Ω unbalanced -10dBV 6.35mm three-pin plug

Frequency response: 300Hz–3KHz

Distortion: ≤1%

Signal to noise ratio: ≥70dB (excluding telephone line noise)

Side tone suppression: ≥45dB

Host size: 19 inch 1U standard case

Power consumption: 10W

Standard configuration:

One Telephone Coupler,

Two control lines,

Two control boxes,

A manual,

A power cord

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