Teleconference Microphone System Enersound CS-300-USB
Number of participants: 6
Sale price$2,890.85Regular price$3,602.05
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Description
Great meetings start with great sound. The Enersound CS-300-USB is a professional, cost-effective teleconference microphone system designed to deliver clear, high-quality audio for conference rooms, boardrooms, panel discussions, training sessions, and hybrid meetings.
Connect directly to your computer via USB and enhance your Zoom, Microsoft Teams, Skype, Google Meet, and other videoconferencing sessions with professional-quality sound.
The CS-300-USB combines excellent voice clarity, convenient push-to-talk operation, and simple installation in one versatile system. Multiple delegate microphones can be connected with minimal cabling, helping reduce setup time, cable clutter, background noise, and audio feedback.
With flexible configurations for groups of different sizes, the CS-300-USB makes it easy for everyone to participate—and be heard clearly.
Ideal for:
Zoom & Microsoft Teams meetings
Skype & Google Meet conferences
Boardrooms & conference rooms
Hybrid meetings & remote participants
Panel discussions & presentations
Training sessions & group meetings·
Designed for Flexibility & Value
Share a microphone between two people. Each delegate microphone can be shared by two participants, providing an economical solution for larger groups while maintaining professional sound quality.
WHY CS-300-USB?
✓USB connectivity for easy computer-based conferencing ✓Professional voice clarity for clearer, more effective communication ✓Push-to-talk operation for convenient microphone control ✓Multiple microphones with simplified cabling ✓Reduced noise and feedback for a cleaner audio experience ✓Flexible configurations for different group sizes ✓Cost-effective solution for conference rooms and hybrid meetings
USB CONNECTIVITY FOR TODAY'S MEETINGS
Unlike the standard CS-300, the CS-300-USB is specifically designed for computer-based teleconferencing, providing a convenient USB connection to your computer for use with today's most popular videoconferencing platforms.
From the conference room to the virtual meeting room, Enersound helps make sure every voice is heard.
Video
Technical Specification DU-300 and CH-300
Microphone Type: Electret Condenser
Frequency Response: 50 Hz–18,000 Hz
Polar Pattern: Cardioid
Maximum SPL for 1% THD: 125 dB
Gooseneck Length: 15" / 40 cm
Built-in Speaker: Yes
Headphone Listening: Supported
Microphone Control: ON/OFF push button
Connection: Daisy-chain connection to other microphone units
Attached Cable Length: 6.6 ft (2 m)
Maximum Units per CU-300 Control Unit: 50 total
Maximum Units per Trunk Output: 25
Maximum Cable Length per Trunk: 328 ft (100 m), including the attached 6.6 ft (2 m) cables
Maximum System Capacity: 150 microphone units when using 3 interconnected CU-300 control units
CH-300 Chairman Unit Specifications
Microphone Type: Electret Condenser
Frequency Response: 50 Hz–18,000 Hz
Polar Pattern: Cardioid
Maximum SPL for 1% THD: 125 dB
Gooseneck Length: 15" / 40 cm
Built-in Speaker: Yes
Headphone Listening: Supported
Microphone Control: ON/OFF push button
Priority Button: Allows the chairperson/moderator to temporarily or permanently override and deactivate active delegate units
Connection: Daisy-chain connection to other microphone units
Attached Cable Length: 6.6 ft (2 m)
Maximum Units per CU-300 Control Unit: 50 total
Maximum Units per Trunk Output: 25
Maximum Cable Length per Trunk: 328 ft (100 m), including the attached 6.6 ft (2 m) cables
Maximum System Capacity: 150 microphone units when using 3 interconnected CU-300 control units
USB Interface Power: 5 V, 100 mA maximum via USB connection
Recorder In/Out: Unbalanced
Input Sensitivity: -20 dBV / +5 dBV
Input Impedance: 47 kΩ for L & R channels
Adjustment: -20 dBV / +5 dBV
Output Level: +0 / -30 dB
Output Impedance: 500 Ω
External Microphone Input: Balanced
Input Sensitivity: -56 dBV
Adjustment: +6 dB / -6 dB
Phantom Power: 12 V ±1 V, 2 × 680 Ω (±2%)
Output Connection: 3.5 mm stereo jack
Headphone Output:
Output Level: -8 dBV / +2 dBV
Output Impedance: 22 Ω
Maximum Microphone Units per Control Unit: 50
Maximum Microphone Units per Trunk Output: 25
Maximum Cable Length per Trunk: 328 ft (100 m), including the 6.6 ft (2 m) cable attached to each unit
Maximum Interconnected Control Units: 3
Maximum System Capacity with 3 Control Units: 150 microphone units
Expansion Kit Diagram for up to 150 units
Using Enersound CS-300 With Computer
System Includes
({DU}) Delegate Units
DU-300
(1) Chairman Unit
CH-300
(1) Control Unit
CU-300USB
Extension Cables
(2) 10ft (1) 16ft (1) 33ft
Extension Cables
(1) 10ft (2) 16ft
Extension Cables
(2) 16ft (1) 33ft
Extension Cables
(4) 16ft (1) 33ft
Extension Cables
(4) 16ft (2) 33ft
FAQs
Explore our FAQ section to learn more.
Will your push-to-talk conference systems be compatible with my PA system?
Our conference systems are compatible with nearly every professional audio-visual public announcement system. Our control unit provides line level out via RCA connectors and Auxiliary outputs for standard compatibility options. All conference microphones will be summed then provided as an output to the mixer.
What is the cabling type for your wired conference system and how many extension cables will need?
Our wired tabletop microphones are connected via 7-PIN Din connectors. It is a secure and reliable connection. Moving the conference units on the furniture will not unplug a connection. Each microphone comes with a built-in speaker, and they are connected in Daisy chain to one another. They also come with 2-meter (6.5 ft) cable attached, and you may need additional cables depending on the Microphone layout. Our cable options include: 3, 5, 10 and, 20-meter cables.
Is there a maximum number of delegate microphones I can have?
The CS-300 Conference and Discussion System is ideal for discussions and meetings of up to 150 people. Each control unit supplies the power for up to 50 delegate and chairman units. If you have 90 delegates for example, you will need to add a second control unit for the additional 40 microphones.
How many control units can be added to a single system?
Using our EXK accessory you can connect up to three control units together in a single system, thus allowing a maximum of 150 microphones working in tandem.
I was looking into getting a wireless push to talk conference system but heard they may cause interference.
We do not recommend getting a wireless push to talk conference system. High quality wireless push to talk systems are usually much more expensive than wired ones. And if you get a cheap, low quality one, you most probably get interference. Also, they can be an inconvenience by having to charge the units all the time. Our wired push to talk conference systems have single-cable daisy chain interconnection and interferences do not usually occur making them highly reliable for your conferencing needs.
Do the microphone units turn themselves off automatically when they haven’t been in use in a while?
Only on timer mode, you can set them to open mode so they will stay on indefinitely. You switch between modes from the control unit.
Does a participant need to hold down their microphone’s button while they’re talking?
No, they only need to press it once to start talking and again when they’ve finished.
How many participants can be talking at the same time?
Assuming each participant has their own microphone then up to four with delegate units, while there’s no limit for chairman units to be lit at the same time.
How many microphones can be daisy-chained together?
Each control unit features two trunks on their back; to each one you can connect a daisy chain of up to 25 units, so in total you can use up to 50 mics with a single control unit.
Can the CS-300 system be connected to a computer for Zoom or similar virtual meetings?
Yes. If your system includes the CU-300USB control unit with a USB-C port, it can be connected directly to a computer using a USB cable for use with Zoom, Microsoft Teams, and similar virtual meeting platforms.
This allows participants in the room to communicate with remote participants using the CS-300 conference microphones and speakers.
Note: Direct USB connectivity is available only with the CU-300USB control unit. Older CS-300 systems without a USB-C port require a separate USB adapter pack, which includes a USB interface and RCA cables. The adapter pack is sold separately.
Can I record my meetings?
The control unit in the CS-300 system has a recording output to connect to a digital recorder.
In the CS-300 Manual - 5.7 "Connecting a Telephone Coupler", does that mean we could connect a phone and the voice from the other end of phone could be heard from the internal speaker of Chairman unit and Delegate unit? And can you recommend a telephone coupler?
Yes, but not directly, you can connect to a land line using a digital hybrid. We can recommend the Telos Hx1.
Can I use the CS-300 for a teleconference over the phone?
Yes. It’s possible. You should get a phone adapter specific to your phone model with audio input and output connectors to connect directly to the CU-300.
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