TOA EV-20R Voice Recorder/Playback Unit – Simple, Reliable Audio Messaging System

The TOA EV-20R is a compact and user-friendly audio message recorder and playback unit, ideal for facilities that require the repeated broadcasting of messages or background music. Suitable for retail stores, schools, transportation hubs, and public facilities, the EV-20R simplifies audio automation without the need for a full-scale paging or BGM system.

Capable of recording and playing back up to 4 different messages or music tracks (up to 6 minutes total), the EV-20R enables easy content updates via its USB port—perfect for transferring audio from a PC using the included sound source files. Its built-in amplifier allows for direct speaker connection, making it ideal for small-scale, standalone applications.

Compact and easy to integrate, the EV-20R is a smart choice for any environment that needs scheduled, repeated, or triggered audio playback without the complexity of a full PA system.

Key Features – TOA EV-20R

  • Records & Plays Back Up to 4 Messages/Music Tracks

  • Total Playback Time: 6 Minutes (combined across all tracks)

  • USB Port for Easy Audio File Transfer from PC (includes sound sources)

  • Built-in Amplifier: Supports direct speaker connection for simple setups

  • Compact Design: Easily fits in small spaces or control panels

  • Ideal for Small-Scale Broadcast Applications: Retail, schools, transit, lobbies, and more

  • Convenient Audio Automation: Perfect for scheduled or repeated announcements or music

  • Standalone Operation: No additional playback devices or amplifiers required for small systems

 

TOA EV-20RPS SPECIFICATION

Power Source Supplied from an external 24 V DC/400 mA power supply or
from an optional AD-246 AC adapter
Power Consumption 10 W (rated output)
Wave Format 44.1 kHz sampling frequency, 16-bit PCM (monaural)
Frequency Response 20 Hz - 20 kHz ±3 dB (1 kHz)
50 Hz - 14 kHz ±3 dB (IT-450 mounted, 1 kHz)
Distortion 1 % or less (1 kHz, rated output)
Recording System USB data transfer or analog recording
Control Input Play 1-4, stop: No-voltage make contact input, pulse make length: 200 ms,
open voltage: 30 V DC, short-circuit current: 10 mA
removable terminal block (22 pins)
Control Output Busy: Contact capacity: 30 V DC/0.5 A, removable terminal block (22 pins)
Input Input/Recording input: Mic: -60 dB(*1), 2.2 kΩ/ Line: -20 dB(*1), 10 kΩ,
(Mic/Line changeable), unbalanced, phone jack
Line input: 0 dB(*1), 10 kΩ, unbalanced, removable terminal block (22 pins)
Output Line output: 0 dB(*1), 600 Ω, unbalanced, removable terminal block (22 pins)
Headphone output: 0 dB(*1), 100 Ω, unbalanced, phone jack
Speaker output: 3 W, 8 Ω, removable terminal block (22 pins)
LED Indicator POWER, USB, START/STOP 1-4
Maximum No. of Messages 4
Pre-recorded audio data: Message 1, Westminster chime(*2)
Message 2, Ascending 4-tone chime(*2)
Message 3, Descending 4-tone chime(*2)
Message 4, None
Note: The above audio sources can be overwritten by using the supplied
software.
Maximum Recording Time 6 min
Message Delay Time 0, 2 s or 4 s (selectable)
Playback Interval Time , 0, 5 s, 10 s, 30 s, 1 min, 5 min, 10 min, 30 min or 1 h (selectable)
Operating Temperature 0 ℃ to +40 ℃
Operating Humidity 90 %RH or less (no condensation)
Finish Case: ABS resin, black
Dimensions 210 (W) × 44.2 (H) × 181 (D) mm (excluding projection)
Weight 730 g
Accessory CD-ROM (USB data transfer software and sample chimes recorded)…1,
Unbalanced-phone plug…1, USB cable (1 m)…1,
Removable terminal plug (22 pins)…1, Rubber foot…4
Option Rack mounting bracket: MB-WT3 (for rack mounting one EV-20R unit)
MB-WT4 (for rack mounting two EV-20R units)
AC adapter: AD-246

(*2) These audio sources are also contained in the supplied CD-ROM as sample audio data.

USB Data Transfer Software Operation Environment

Personal Computer Windows PC (equipped with the USB terminal)
Main Specifications CPU: Pentium compatible CPU of 300 MHz or faster
Memory: 128 MB or more
Free disk space: 10 MB or more (space for message storage excluded)
Optical Drive: CD-ROM drive
OS Windows XP (32-bit edition)/Vista (32-bit edition)/7 (32-bit edition)
List price: $1,454.00
Price: $1,174.00
SKU: EV-20RPS US
Catalog: 
Tuners and other Sources
Brand: 
TOA
Dimensions: 10 in × 14 in × 6 in
Weight: 5 lb