Audio Modules
- $130.00SKU: DNR-1E
ETS DNR-1E Economy DSP Based Noise Reduction Module / interface
- DSP Based Noise Reduction Module / interface
$130.00Low Price Guarantee - $172.54SKU: M1XOVR
ELK M1XOVR 16 Output Expander, 8 Voltage, 8 Relays
- 8 Voltage Outputs
- 8 Single-Pole, Double-Pole Relay Outputs
- Operates on the 4-Wire Data Bus
- DIP Switch Address Settings
- Flash Memory for Firmware Updating
$172.54Low Price Guarantee - $66.97SKU: VNF-1
ETS VNF-1 Single Channel Voice Band Notch Filter, Interface
- VNF-1 Filter / interface
- 12 VDC AC adapter
- 1 each 3′ RCA or 3.5mm patch cables
$66.97Low Price Guarantee - $35.28SKU: MSI-BOC5
ETS MSI-BOC5 CAT5 Breakout Box For Separate Microphones And Speakers
- CAT5 RJ45 input connector
- Connections for 70v speaker, ETS microphone and call switch input
- Euro-style connectors makes cable terminations to speaker, microphone and call switch fast and clean
- Internal 600 Ohm transformer converts unbalanced audio to balanced for transmission over CAT5 cable
- Black ABS enclosure
$35.28Low Price Guarantee - $258.92SKU: DNR-1
ETS DNR-1 Digital Background Noise Reducer
- Standard RCA or 3.5mm jacks for connection to DVRs etc
- Adjustable input and output ″line Level″ level controls
- ETS microphone or RCA line level input
- ETS base station or RCA line level outputs
- Euro-style connectors makes cable terminations fast and clean
$258.92Low Price Guarantee - $54.65SKU: VPC-1
ETS VPC-1 Vandal Proof Call Switch
- Vandal proof call switch
- High quality normally open, vandal proof switch mounted on a single gang stainless steel plate
- Can be used with ETS sound surveillance equipment, our AN1 and AN4 message recorder / players, and other applications
$54.65Low Price Guarantee - $80.92SKU: VNF-4
ETS VNF-4 Four Channel Voice Band Notch Filter Interface
- RCA or 3.5mm output connectors
- Line level outputs (0db)
- Provides X2 gain at 1.7Khz and 10db / Octave attenuation above and below center frequency
- Adjustable output level control for each channel
- Euro-style connectors makes cable terminations fast and clean
$80.92Low Price Guarantee - $147.00SKU: URM-8
ETS URM-8 Universal Relay Module Eight Channels
- Single or multi-zone electric lock, lighting control, etc
- Use low-current outputs from burglar alarms, fire alarms, access systems, CCTV systems, to control hi-current devices
- 5 to 24vdc power input
- Polarity protected power input
- Each channel has its own low-dropout 5 Volt regulator
$147.00Low Price Guarantee - $78.71SKU: URM-4
ETS URM-4 Universal Relay Module Four Channels
- Single or multi-zone electric lock, lighting control, etc
- Use low-current outputs from burglar alarms, fire alarms, access systems, CCTV systems, to control hi-current devices
- 5 to 24vdc power input
- Accepts these trigger types: Open collector or open drain Dry contact NC or NO. TTL or CMOS levels. Any voltage from 3.3Vdc to 24Vdc
- Polarity protected power input
$78.71Low Price Guarantee
Audio Modules Frequently Asked Questions
What are audio modules in surveillance systems?
Audio modules are devices that capture and transmit sound within surveillance systems. They enhance security by allowing monitoring of audio in addition to video, providing a fuller picture of events. These modules can be integrated with cameras or standalone devices, enabling two-way communication or audio recording for evidence collection.
How do I choose the right audio module for my home?
Choosing the right audio module involves considering factors such as compatibility with existing surveillance systems, audio quality, and features like noise cancellation or two-way communication. Evaluate the specific areas you want to monitor and the type of audio functionality you need, as well as any environmental factors that may affect performance.
Can audio modules work with existing surveillance cameras?
Yes, many audio modules are designed to integrate seamlessly with existing surveillance cameras. Compatibility is key, so check the specifications of both the camera and the audio module. Some systems may require additional configuration or software updates to ensure proper functionality between the devices.
Are audio modules affected by weather conditions?
Audio modules can be affected by weather conditions, especially if they are not specifically designed for outdoor use. It’s important to select weatherproof or waterproof models for outdoor installations to ensure durability and consistent performance. Indoor modules may not have the same weather resistance, so placement and environmental factors should be considered.
What is the range of audio modules in surveillance systems?
The range of audio modules can vary significantly based on the model and environment. Many audio modules have a range of 20 to 50 feet, but this can be affected by obstacles such as walls or other structures. For larger areas, consider models with extended range capabilities or additional microphones to ensure comprehensive audio coverage.
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