City Council Room Sound System with 4 Bose Professional Surface Mount Speakers Bosch Digital Discussion System and Built-in MP3 USB Recording

Inside the Design

This City Council room sound system is engineered to support professional discussions, public engagement, and accurate meeting documentation. The system features four Bose FreeSpace FS4SE surface-mount loudspeakers for even room coverage, a Bosch CCS 1000 D digital discussion system with eleven delegate microphones for council members, and a dedicated control unit with recording and digital acoustic feedback suppression. A Rolls 70V power amplifier drives the loudspeaker system, while an Audio-Technica wireless handheld microphone provides added flexibility for presenters or public comments. The design is completed with a Listen Technologies assisted listening system to ensure accessibility for hearing-impaired attendees.

Sound System Features:

• Clear, intelligible sound coverage for council chambers and public seating areas
• Digital discussion system with individual microphones for council members
• Integrated recording and feedback suppression for reliable meeting documentation
• Wireless handheld microphone for presenters and public participation
• 70V loudspeaker system for consistent, evenly distributed audio
• Assisted listening system to support ADA accessibility requirements

About the System Components

Bose FreeSpace FS4SE 4.5" Surface-Mount Loudspeakers

The Bose FreeSpace FS4SE surface-mount loudspeakers deliver clear, balanced audio reproduction for speech-focused environments such as council chambers and meeting rooms. Their wide coverage pattern ensures even sound distribution across audience seating areas, while the weather-resistant enclosure allows for flexible indoor installation with a clean, professional appearance.

Bosch CCSD-CURD CCS 1000 D Control Unit Recorder DAFS

The Bosch CCSD-CURD control unit is the central component of the CCS 1000 D digital discussion system. It powers and manages all connected discussion devices while providing integrated recording and digital acoustic feedback suppression. Intuitive front-panel controls and browser-based configuration allow for easy system setup, monitoring, and operation during meetings.

Bosch CCSD-DL CCS 1000 D Discussion Devices with Long Microphones

The Bosch CCSD-DL discussion devices provide council members with reliable, high-quality speech capture. Each unit features a long gooseneck microphone, built-in loudspeaker, and plug-and-play connectivity, allowing participants to speak clearly and listen comfortably without complex setup or system downtime.

Rolls RA170 70V/70W Power Amplifier

The Rolls RA170 is a compact, installation-friendly 70V power amplifier designed to drive distributed loudspeaker systems efficiently. Its simple controls, protected output circuitry, and reliable mono operation make it well-suited for speech reinforcement in civic and public meeting environments.

Audio-Technica ATW-2120c Wireless Handheld Microphone System

The Audio-Technica ATW-2120c wireless handheld microphone system delivers reliable, frequency-agile UHF performance ideal for presenters, guest speakers, and public audience participation. Featuring true diversity operation and clear, natural sound quality, the handheld microphone provides flexibility for podium use or passing among attendees during public comment sessions.

Listen Technologies LS-53-072 iDSP Prime Level I Stationary RF System

The Listen Technologies LS-53-072 iDSP Prime assisted listening system ensures accessibility for hearing-impaired attendees by delivering clear, low-noise audio to personal receivers. Utilizing advanced iDSP technology, the system supports ADA compliance while enhancing inclusivity during council meetings and public hearings.

Bose FreeSpace FS4SE 4.5" Surface-Mount Loudspeakers

• Full-range 4.5" driver provides clear, intelligible speech and balanced background music
• Surface-mount design with wide, even coverage for council chambers and meeting rooms
• Durable, weather-resistant enclosure for flexible indoor installation
• Compatible with multiple Bose FreeSpace units to maintain tonal consistency across the system
• Includes mounting brackets for horizontal or vertical orientation
• Adjustable pitch and yaw for precise sound direction

Bosch CCSD-CURD CCS 1000 D Control Unit Recorder DAFS

• Central control unit for the CCS 1000 digital discussion system
• Supports up to 80 discussion devices with plug-and-play connection
• Integrated MP3 recorder with internal memory and USB recording
• Digital Acoustic Feedback Suppression (DAFS) ensures clear speech intelligibility
• Native support for automatic HD camera control and intuitive web-based configuration

Bosch CCSD-DL CCS 1000 D Discussion Device with Long Microphone

• Patent-pending speaking indicator ensures smooth discussion management
• Plug-and-play design for fast installation and easy reconfiguration
• Compact, ergonomic design for council member comfort
• Configurable as either participant or chairperson device
• Immunity to mobile phone interference for uninterrupted meetings

Rolls RA170 70 Volt / 70 Watt Power Amplifier

• 70 watts of clean amplification for 70V distributed speaker systems
• Spring-loaded output terminals for easy speaker connection
• Front-panel heat sinking and protection circuitry for reliable operation
• Compact mono rack-mount design suitable for installation environments

Audio-Technica ATW-2120c Wireless Handheld Microphone System

• Professional 2000 Series UHF wireless handheld system for presenters and public participation
• Automatic frequency scanning with True Diversity operation for stable, drop-out-free performance
• 10 compatible user-switchable channels for flexible system setup
• Tone Lock™ squelch system reduces interference and unwanted noise
• Rugged half-rack receiver with LCD display and soft-touch controls
• Balanced XLR and unbalanced 1/4" outputs for broad equipment compatibility
• Includes rack-mount kit, detachable antennas, and handheld microphone transmitter

Listen Technologies LS-53-072 iDSP Prime Level I Stationary RF System

• Advanced iDSP technology reduces noise and hiss by 20 dB compared to standard RF receivers
• Integrated neck loop for T-coil users enhances accessibility
• Compact design for ease of use, distribution, and storage
• Limited Lifetime Warranty with hassle-free support
• Green battery technology reduces environmental impact and cost
• Ensures ADA-compliant assistive listening for hearing-impaired attendees

• (4) Bose FreeSpace FS4SE 4.5" Surface-Mount Loudspeakers
• (1) Bosch CCSD-CURD CCS 1000 D Control Unit Recorder DAFS
• (11) Bosch CCSD-DL CCS 1000 D Discussion Device with Long Microphones
• (1) Rolls RA170 70 Volt/70 Watt Power Amplifier
• (1) Audio-Technica ATW-2120 Wireless Handheld Microphone System
• (1) Listen Technologies LS-53-072 iDSP Prime Level I Stationary RF System:
• (1) LT-800-072-01 Stationary RF Transmitter (72 MHz)
• (1) LA-106 Telescoping Top-Mounted Antenna (72 MHz)
• (4) LR-4200-072 Intelligent DSP RF Receivers (72 MHz)
• (4) LA-401 Universal Ear Speakers
• (2) LA-430 Intelligent Earphone/Neck Loop Lanyards
• (1) LA-423 4-Port USB Charger
• (1) LPT-A107-B Dual RCA to Dual RCA Cable 6.6 ft (2 m)
• (1) LA-304 Assistive Listening Notification Signage Kit
• (1) CBI MLN-3 XLR to XLR Cable - 3ft
• (1) C2G 40423 3.5 mm Stereo Male to Dual RCA Stereo Male Y-Cable - 6ft
• (200') West Penn 225 16/2 Non-Plenum Audio Speaker Wire - Gray