Conference Room Sound System Featuring 2 SD4 2x2 70V Speakers & RMA240BT 240W Rack Mount Bluetooth Mixer Amplifier
- $ 1,757.99
- $ 1,475.99
CONFERENCE ROOM SOUND SYSTEM
360° of Intelligible Audio for Conference Room Applications
This conference room sound system with clear speech reproduction is perfect for conference rooms, boardrooms, meeting rooms, conference halls, or any meeting space where crystal-clear sound and vocal intelligibility are needed. Wirelessly stream audio from any Bluetooth-enabled devices or connect your existing audio and video equipment, conferencing hardware, microphone, projector, USB thumb drive, SD card, CD/DVD player, laptop, or computer. This conference room speaker provides 360° of smooth, even audio coverage from two 2'x2' SuperDispersion® omnidirectional drop tile ceiling speaker arrays and a high-performance 240W rack mount Bluetooth mixer amplifier.
HIGH QUALITY CONFERENCE AUDIO
Crystal-Clear, Powerful Conference
Sound Solution
360° x 180° COVERAGE
Designed with patented omnidirectional speaker technology, the SD4 creates a 360° by 180° coverage pattern by employing an array of drivers working in perfect unison.
RELIABLE PERFORMANCE
The SD4 is one of the most reliable speakers in the audio industry and is built to meet the challenging demands of commercial audio environments.
QUICK & EASY TO INSTALL
Simply remove one ceiling tile, drop the SD4 into any standard drop-ceiling grid, and your speaker will be installed in just minutes.

BLUETOOTH-ENABLED
You can connect your Bluetooth device to the RMA240BT's multimedia player and also use a TF card, USB thumb drive, or the built-in FM tuner.
POWERFUL AMPLIFIER
This 5 channel 4 Ohm/70 Volt Bluetooth commercial rack mount mixer amplifier provides 240 watts of high-performance Class D power.
CONNECT YOUR EQUIPMENT
The RMA240BT is equipped with inputs for wired or wireless microphones, CD/DVD players, projectors, laptops, computers, and other devices.
CONFERENCE ROOM SOUND SYSTEM WITH BLUETOOTH
This conference room speaker system delivers exceptional speech clarity and 360° even audio coverage, ensuring that every word is heard with precision. Designed for seamless integration, it allows you to wirelessly stream audio from any Bluetooth-enabled device, making it easy to connect smartphones, tablets, and laptops. Additionally, it supports direct connections to conferencing hardware, microphones, projectors, USB drives, SD cards, CD/DVD players, and other AV equipment. Perfect for boardrooms, meeting halls, and other professional spaces, this system enhances vocal intelligibility, making every presentation or discussion crystal clear. Whether used for corporate meetings, training sessions, or large-scale conferences, its superior sound distribution ensures that all participants experience consistent and balanced audio.
SD4 SUPERDISPERSION CEILING SPEAKER ARRAY
The Pure Resonance Audio SD4 SuperDispersion® omnidirectional drop-tile ceiling speaker array redefines audio performance by providing 360° powerful hemispheric sound coverage. Capable of delivering clear and immersive audio across a 30' x 30' space, a single SD4 can replace multiple traditional ceiling speakers, simplifying installation and reducing costs while optimizing sound quality. Ideal for conference rooms, it ensures uniform audio distribution for speech, AV presentations, and background music. Despite its robust performance, the SD4 is designed for quick and effortless installation. Simply remove a standard ceiling tile, drop the SD4 into place, and connect the speaker wires. Secure it using the provided carabiners and braided steel safety cable for enhanced stability. This time-saving installation method makes the SD4 an efficient and economical solution for achieving high-quality audio in professional environments.
RMA240BT 240W RACK MOUNT MIXER AMPLIFIER
The RMA240BT is a 5-channel Bluetooth commercial rack-mount mixer amplifier that delivers 240 watts of high-performance Class D power. It features a built-in multimedia player that supports Bluetooth streaming, TF cards, USB thumb drives, and FM radio. The included remote control allows users to manage volume, playback, and other functions effortlessly. Designed for continuous operation, the forced air-cooling fan helps maintain performance even during extended use. Its slim, lightweight build takes up only 1 rack unit, making it a space-saving powerhouse for any audio system. In addition to standard audio functions, the RMA240BT includes a priority emergency input (EMC In) that automatically overrides other audio when triggered. This feature ensures that emergency announcements, paging systems, or fire alarm signals are clearly heard without interference. Pairing with a Bluetooth device is simple—just switch to BT mode, select "PRA-BT" on your device, and start streaming audio instantly. Whether for presentations, meetings, or background music, this amplifier provides a reliable and versatile audio solution.
Due to the possibilities of FM radio interference and the variables involved, it's not recommended to use FM radio as your primary input source.
Includes
(2) Pure Resonance Audio SD4 SuperDispersion Drop Tile Ceiling Speaker Arrays
(2) Safety Cable Kits
(8) Steel Safety Cables
(8) Carabiners
(8) Fastlinks
(1) Pure Resonance Audio RMA240BT 240W Commercial Bluetooth Mixer Amplifier
(1) IR Remote Control
(1) Power Cord
(250') 18/2 Gauge Speaker Wire
Specifications
SD4 Ceiling Speaker | |
Power Handling | 160W RMS |
Frequency Response | 45 Hz - 20 kHz |
Sensitivity | 92 dB (half space) |
Impedance | 8 Ohms with 70V transformer (Built-in) |
Woofers | (4) 6.5" Aluminum |
70 Volt Transformer Taps | 4W, 8W, 16W, 32W, 64W @ 70V; 8 Ohm Bypass |
Dispersion | 360° by 180° |
Driver Complement | Array of four full-range 6.5" drivers |
Backbox Depth | 2.8" (71.12 mm) |
Dimensions | 23.8" (603 mm) x 23.8" (603 mm) x 5.8" (146 mm) |
Net Weight | 25 lbs (11.34 kg) |
RMA240BT Mixer Amplifier | |
Rated Power Output | 240W |
Speaker Outputs | 4 - 16Ω/70V |
Frequency Response | 80 Hz - 16 kHz +/- 3 dB |
S/N Ratio | MIC1, 2, 3 66 dB; AUX1, 2 85 dB |
THD | 0.05% |
Cooling Mode | Forced fan with variable speed cooling with side entry airflow |
Protection Mode | Overheat/Short-circuit |
Power Consumption | 300W |
Remote Control | IR remote control with (replaceable) CR2025 3V lithium battery |
Dimensions (H x W x D) |
1.73" (44 mm) x 19.05" (484 mm) x 11.61" (295 mm) |
Weight | 11.50 lbs (5.22 kg) |