Clearance Center

Clearance Centre: Speedex External Microphone for CCTV Camera Systems

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3305 - 32nd Street NE
Calgary, AB T1Y 5X7
Phone: 403-313-8883
Fax: 403-313-8833
Store Hours
  • Mon-Fri 10:00AM - 8:00PM
  • Saturday 10:00AM - 6:00PM
  • Sunday 11:00AM - 6:00PM
  • Holidays 11:00AM - 6:00PM
Regular Price $23.99
Clearance Discount ($0.99)   4%
Clearance Sale!! ($6.90)   30%  Ends: 12/31/2021
Clearance Price $16.10   33% off
Clearance Information:
Type: New
Warranty: 60 Days Warranty
Quantity Available: 1
Location: Calgary NE
Comments: (New, Small White Box)-DM2
* Please Call To Confirm Item Availability
  • SKU: MX46123
  • ILC: 762880912483
  • Part #: 912483
Last Modified:

Product Info

This External Microphone adds local Audio to CCTV Surveillance Camera Feeds.

Designed to work indoors in rooms up to 150m2 (~1500 square feet). This external microphone provides a usable audio feed that can be synced to accompanying Video Camera Feeds in real time by DVR Equipment designed for External Microphone mixing.

The addition of Audio Recordings along with corroborating Video Evidence might provide additional information that can increase conviction rates for illegal activities when used as evidence.


  • Requires 6 ~ 12Vdc @ 12mA power to work
  • Automatic Gain Control records quieter voices and sounds than usual
  • Low Noise Amplifier increases Audio Signal to Noise Ratio
  • Frequency Response: 200 ~ 10,000Hz
  • Designed for indoor use only


Frequency Response 200 ~ 10,000Hz ±2.5dB
Audio Features Low Noise Amplifier increases Signal to Noise Ratio for clearer audio recordings
AGC (Automatic Gain Control) adjusts volume levels in real time to pick up quiet voices, sounds, noises, etc.
Audio Output Impedance: 600 Ohms
Voltage: 0 ~ 6Vac
Connectors White RCA Female Plug: Audio Output
Red RCA Male Port: DC Power Input,
Center Plug is Hot, Exterior Ring is Ground
Power Requirements Input: 6 ~ 12Vdc @ 12mA
Dimensions N/A
Weight N/A
30 Day Limited Warranty

Memory Express will help facilitate the return of defective product(s) to the manufacturer for repair or replacement at no cost to our customer with in the first thirty (30) days, unless otherwise specified. Returns / Exchanges for Clearance Items are valid within (15) days of original purchase date unless otherwise specified.

Please see our Retail Store Policies for more information.