Sound System

Bose 251

Impedance: 8 Ohms.
Power Handling: Compatible with amplifiers and receivers rated from 10 to 200 watts per channel.
Environmental Protection: Engineered to withstand extreme weather, including snow, rain, salt, and temperatures ranging from -40°F (-40°C) to 158°F (70°C).
Driver Configuration:
One 5.25" woofer in a multi-chambered bass enclosure for deep low frequencies.
Two 2.5" Twiddler drivers in an "Articulated Array" for a wide sound field.
Installation: Includes weather-resistant mounting brackets and hardware for wall-mount installation.
Physical Dimensions: Each speaker measures approximately 13.5" H x 5.75" W x 8" D

DesignMax DM2C

Transducer: Features a single 2.25-inch full-range driver.
Frequency Range: Operates between 85 Hz and 19 kHz (-10 dB).
Coverage: Provides a wide 180° conical dispersion (or 150° depending on the specific frequency measurement), ensuring consistent sound distribution throughout a room.
Power Handling: Supports 20W long-term continuous power and 80W peak at 16 ohms.

FreeSpace 360P
Driver: Features a single 4.5-inch (114 mm) advanced composite environmental driver that is downward-firing to protect it from the elements.
Frequency Range: Delivers a frequency response of 70 Hz to 10 kHz (+/-3 dB) and can reach as low as 60 Hz (-10 dB) for enhanced bass performance.
Power Handling:
70/100V Mode: Supports multi-tap settings at 10W, 20W, 40W, and 80W.
Low Impedance: 80W long-term continuous and 320W peak.
Durability: Built with a glass-reinforced polypropylene enclosure that is IP55-rated. It is designed to withstand extreme temperatures ranging from -40°F to 158°F (-40°C to 70°C) and is resistant to sand, snow, rain, and salt fog.
Installation: Can be mounted in-ground or on a hard surface using three #10 (M4) holes in the base. 

FreeSpace FS2C

Audio Performance: According to Bose Professional, it features a 2.25-inch full-range driver that covers a frequency range of 83 Hz to 19 kHz.
Coverage: It offers a wide 150° conical coverage pattern (or up to 180° nominal coverage depending on the environment) to ensure consistent sound throughout a room.
Power and Impedance: It is a 16-ohm loudspeaker that handles 16W RMS (80W peak) and includes a multi-tap transformer for 70V/100V operation.
Safety Certifications: The unit is UL 1480A-certified and compliant with UL 2043 for use in plenum-space installations and fire alarm signaling systems.
Installation: It features Euroblock inputs and front-baffle connectors for easier wiring during installation.

FreeSpace FS4CE

Transducer: Single 4.5-inch full-range driver.
Frequency Range: 70 Hz to 17 kHz (-10 dB).
Power Handling: 40W–50W (RMS/Continuous) and up to 200W (Peak).
Nominal Coverage: Wide 145° conical pattern (though some technical sheets list 115°).
Maximum SPL: 105 dB (Continuous) and 111 dB (Peak).

DS-QAE0206G1-V

Rated Power: 6 W
Sensitivity(1 m, 1 W): 91 dB ± 3 dB
Max. SPL: 98 dB
Frequency Response: 90 Hz to 20 kHz
White

DS-QAE0330G1T-V
Analog Horn Speaker 30W
34-core 2-inch mid-to-high (dome resin film)
Rated Power: 70 V: 2.5 W/5 W/7.5 W/15 W/30 W, 100 V: 5 W/10 W/15 W/30 W
Sensitivity(1 m, 1 W): 108 dB ± 3 dB
Max. SPL: 120 dB
Frequency Response: 250 Hz to 8 kHz
White

DS-QAE0420G1-V
Full frequency 4′′ × 1 ， high frequency 0.75′′ × 1
Rated Power: 20 W
Sensitivity(1 m, 1 W): 89.5 dB ± 3 dB
Max. SPL: 96 dB
Frequency Response: 100 Hz to 20 kHz
White
IP66 Waterproof

DS-QAE0606G2-V

6“ paper basin+High note
Rated Power: 3/6 W
Sensitivity(1 m, 1 W): 93 dB ± 3 dB
Max. SPL: 104 dB
Frequency Response: 90 Hz to 20 kHz
White

DS-QAE0A240G1-VB6

240W 6-Zone Analog Amplifier
Rated Power: 240 W, 6 Zones
Audio input: EMC/MIC/AUX/Bluetooth/USB/SD Card
Support two-zone volume and content adjustment

DS-QAE0A60G1-VB

Rated Power: 60 W, 2 Zones
Audio input: USB/Bluetooth/MIC/RCA
Support two-zone volume adjustment

DS-QAE0MG0G1

High SNR and balanced frequency response sound inlet basket
Equipped with high sensitivity, low noise pre-amplification circuit
The pickup part adopts the droplet shape design
Support 12 VDC power supply and 48 V phantom power supply

DS-QAE1A40G1-VB

Rated Power: 40 W, 1 Zones
Audio input: USB/Bluetooth/MIC/RCA
Support volume and content adjustment
Support schedule/live/emergency broadcast, alarm linkage, TTS

DS-QAE1A80G1-VB

Rated Power: 80 W, 2 Zones
Audio input: USB/Bluetooth/MIC/RCA
Support two-zone volume and content adjustment
Support schedule/live/emergency broadcast, alarm linkage, TTS

8124

Driver Type: 4-inch (100 mm) full-range driver.
Power Handling: 6W transformer taps at 6W, 3W, and 1.5W (plus 0.75W at 70V only).
Frequency Range: 60 Hz to 18 kHz (-10 dB).
Sensitivity: 93 dB (1W, 1m), ensuring high sound levels even with minimal amplifier power.
Nominal Impedance: 8 ohms.
Coverage: Wide 130° conical coverage for even sound distribution

Control 14C/T

Power Handling: Rated at 30 Watts continuous pink noise and 60 Watts continuous program power at its 8Ω nominal setting.
Frequency Response: Operates across a bandwidth of 74 Hz – 20 kHz (-10 dB).
Sensitivity: Nominal sensitivity of 87 dB, with a maximum peak SPL of 108 dB.
Coverage: Features a 120° conical coverage pattern, which helps reduce the total number of speakers needed for even sound distribution.

Control 88M

Drivers: 200 mm (8.0 in) low-frequency driver with a polypropylene cone and a 25 mm (1.0 in) polyetherimide (PEI) dome tweeter.
Power Handling: 120W Continuous Pink Noise (240W Continuous Program) at 8Ω.
Transformer Taps:
70V: 60W, 30W, 15W, and 7.5W.
100V: 60W, 30W, and 15W.
Frequency Range: 47 Hz – 16 kHz (-10 dB).
Coverage: 360° horizontal and 160° vertical.
Durability: IP-55 (some sources cite IP-56) rated for dust and water resistance, exceeding MilSpec 810 for humidity and salt spray.

NVMA160-34-EU

Output Power: 60W RMS.
Load Support: Compatible with low impedance (4Ω or 8Ω) and high impedance (70V and 100V) systems.
Frequency Response: 20Hz – 20kHz (±2dB) for 4/8Ω loads; 80Hz – 15kHz (±3dB) for 70V/100V outputs.
Total Harmonic Distortion (THD): Less than 0.5% at the power amp output.
Signal-to-Noise Ratio: Greater than 76dB.

VMA1240
Multi-Source Mixing: Features a 5-input mixer with one output channel, allowing for flexible routing of various audio sources.
Integrated Media Player: Includes a built-in player that supports MP3 playback via a front-panel USB Type-A port or wireless Bluetooth streaming.
Commercial Controls: Equipped with independent bass and treble controls for the output channel (+/- 14dB) and voice-activated (VOX) ducking to automatically lower music volume during announcements.
Remote Capability: Supports remote volume control using an optional JBL CSR-V module connected via standard Cat5e Ethernet cable.
DIP Switch Configuration: Allows for easy hardware-level configuration of settings such as mic/line selection, 27V phantom power, and paging chimes.

VMA2120

Power Output: Delivers 120W per channel (2 channels total) into 4 or 8 Ohm loads, or distributed 70V/100V systems.
Integrated Media Player: Supports wireless audio streaming via Bluetooth and direct MP3 playback through a front-panel USB Type-A port.
Input Options: Features 8 input channels with diverse connectors including Euroblock (Phoenix), RCA, and 1/4" TRS jacks.
Voice-Activated Ducking (VOX): Automatically lowers background music volume during announcements on specific channels (Inputs 2 and 5).
Independent Tone Controls: Provides per-channel Bass and Treble adjustments (+/-14dB) to tailor sound for different zones.