Black Vox Calculator Covert Audio Recorder with VOX & Time & Date File Stamping

Law Enforcement Grade Tactical Audio Recorder built inside a fully functional Calculator – Time 7 Date Stamping and Voice Activation. 75 Days Long Life Covert Audio Recorder
Black Vox Calculator Covert Audio Recorder with VOX & Time & Date File Stamping
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Black Vox Calculator Covert Audio Recorder with VOX & Time & Date File Stamping

Black Vox Calculator Covert Audio Recorder with VOX & Time & Date File Stamping

  • Black Vox Covert Calculator Audio Recorder
  • Built for Law Enforcement
  • 72 Hours Continuous Recording
  • Fully Functional Calculator
  • Completely Covert System
  • 288 Hours storage – 8GB
  • Voice Activated Audio
  • 40 Feet Audio Capture
  • Time & Date File Stamping

Black Vox Audio Solutions are a UK produced range of audio solutions built specifically for Covert Tactical Audio ops.

Originally designed for Law Enforcement and used by hundreds of Investigation departments worldwide.

  • Designed for law Enforcement and Investigators.
  • Used in a variety of scenarios by Law Enforcement.
  • Used in workplace Investigations.
  • Supplied to over 150 Private investigation Agencies in 2022

Time & Date Stamping

Black Vox Systems have Time and Date File stamping, to configure the Time & Date file stamping, users can only configure this feature through a Windows Computer.

Why is this Black Vox the preferred solution for Law Enforcement? 

Black Vox is designed to overcome many of the issues investigators face when using covert audio recording equipment, Black Vox Calculator is idea for office based covert audio recording.

Ease of Use

All Black Vox solutions are designed with ease of use in mind.

When you need to use a professional audio recorder, you need peace of mind that your solution can be quickly and easily deployed without worrying about what you need to do to capture your audio. 

With 75 Days standby battery and Voice Activation as the only Mode on the Calculator, you only need to switch it on once and users can record upto 72 hours of Audio continuously or upto 75 days of recordings on a single charge.

Law Enforcement operations happen in real time and there is no room for error.

The 40-foot audio capture range is based on multiple testing scenarios in a variety of environments including cars and busy places where recording audio may be compromised.

The onboard adjustment settings on the software included with Black Vox allows Investigators to adjust the Microphone sensitivity.

Covert Deployment

BVCALC is built with risk of discovery at the forefront of the design, access to the charge input is built inside the calculator, there are no visible signs of the Audio recorder on the outside of the Calculator, the calculator itself is fully functional and the Audio recorder components fitted inside the calculator are extremely light weight, in both touch and appearance it would be virtually impossible for the audio applications to be discovered. 

Specifications – PBN-BVCALC

Product Dimensions 4.30 x 3.10 x 0.77 inches
Batteries 1 Lithium Polymer batteries required
Memory 8GB
Storage 72 Hours
Standby Upto 75 Days in Voice Activated Mode
Power USB
Time & Date Stamp Yes
Voice Activated Mode Yes
Microphone Capture Range 40 FT
Auto Level Control – ALC Yes
Warranty Period 1 Year
Country of Origin UK

1 Review

  • Excellent recorder for Law needs

    Posted by PI Pete on 17th Aug 2023

    Functional for all purposes needed. Great job

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Shipping & Returns

Audio devices may not be used to violate the privacy rights of others. In no way will Spy Associates or its subsidiaries or partners be held responsible for inappropriate use of these products.

FREE Ground Shipping On All Items Over $199

Receive free ground shipping on all items we carry. Depending on your location, carrier may vary depending on maximizing delivery speed to your location.

Same Day Shipping - Order By 2pm EST Monday - Friday

Your Order will be given to the shipping carrier the same day you place the order, not including national holidays & weekends. Shipping days do NOT include weekends UNLESS you order SATURDAY DELIVERY at checkout. Any order placed after 2pm weekdays or on Saturday / Sunday will be shipped out the next business day.

Some custom built products may require up to 48 hours, which includes custom audio add-ons that may require 72 hours. You will be notified of any delays as soon as possible.

International Shipping & Customs

YES! We ship worldwide. On International Orders, any CUSTOMS FEES are the responsibility of the purchaser NOT SpyAssociates. Every country's import rules are different, so it's impossible to guess how much, and if any fees may apply.

Return Policy

We test all of our products before shipping to ensure they are in working order.

Your Satisfaction Is Our Number One Concern


All products which are special ordered by the person ordering and are NOT subject to cancellations. Due to the nature of our product line, returns will only be accepted for products damaged upon shipment to the customer*. All returns must be authorized by before product(s) is returned. will replace, refund, or credit your account for returned product(s) at's discretion. We have been forced to implement this policy because of the attraction of our products to unscrupulous people who return products after they have profitably gained from the short-term use of the products.

*Special exceptions may be made on a case by case basis determined by In this event, returns are subject to deductions for shipping costs and a 25% restocking charge and must be returned within a ten (10) day period from date of receipt of product(s). NO refunds will be given for products returned without explicit permission from

You Are Guaranteed QUICK & ACCURATE Service

Any return must be authorized by a representative of and under no circumstances will returns be accepted otherwise. Authorization and shipping instructions must be obtained from No returns will be authorized after ten (10) business days of receipt of product(s) by the customer, unless found to be defective, in which case we will replace at no charge once returned with authorized RMA.

We at strive to offer our customers the best products at the best possible prices. Due to the nature of the products, returns will not be accepted unless the product is found to be defective or unless otherwise explicitly stated on the specific product page.

Shipping & Handling Charges Are Non-refundable.


Every product receives FREE LIFETIME SUPPORT. We guarantee all products to be free of defects in workmanship and material for 90 days (some manufacturer's warranty is one (1) year or lifetime - please see info on the page for specific product's details) after sale to the customer. We will replace or repair the product(s) at our option providing there is no evidence of customer misuse, or alteration.

This device will only connect to 2.4 GHz Wi-Fi Networks with passwords that do not contain special characters.

We are unable to guarantee Wi-Fi connection will work with all routers. Although most networks are compatible, certain routers enact stricter security measures that may block remote connections to the camera. Some examples likely to experience these issues are hotels/motels, corporate networks, 4g hotspots, open wifi networks like Starbucks, etc. Some WIFI units require the unit to be paired with a router if the end user is wanting to look at the livestream or receive motion alerts. Only compatible with Android 6 & up, iOS 8 & up. These items will need to format the MicroSD Card before use. This is done through the app.

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