ONE is a complete PA system and voice evacuation, with EN 54-4 battery charger integrated in a single device.
It has an innovative Wall & Rack design that allows it to be mounted on both the wall and the rack, according to the needs of each project.
The ONE system is very easy to install and configure, without the need for external applications, and integrates perfectly with third-party technologies.
MINIMALIST AND COMPACT
The ONE design has been designed to fit like a glove and make optimal use of the available space in any installation, mural or rack.
INTERNATIONAL CERTIFICATE
ONE is a certified system according to the international standard EN 54-16 (0370-CPR-3206) and has an integrated battery charger and housing also certified EN 54-4.
EASY INSTALLATION
The installation, start-up and maintenance of a ONE system is very simple, saving a lot of time and costs.
MAXIMUM FUNCTIONALITY
With 2 class D amplifiers and up to 500 W of power, 6 independent audio outputs, DSP equalizer and 6×6 digital audio matrix.
RELIABLE FIRST
Manufactured in Spain with maximum attention to all details, following strict quality standards and with the support of a large technical support team.
ADAPTS TO ANY CONFIGURATION
The ONE system is perfect for basic installations of small and medium format, with great flexibility when integrating with other systems.
![](https://lda-audiotech.com/wp-content/uploads/2019/11/LDA-ONE-inside.png)
![logo_en54 Logo EN 54](https://lda-audiotech.com/wp-content/uploads/2017/12/logo_en54-120x34.png)
+6 outputs/zones
Digital 6×6 audio matrix, expandable.
+2 class D amplifiers
With two configurations for 100/70 V lines up to 500 W. Backup amplifier included.
+EN 54-4 certified battery charger
EN 54-4 battery charger with 12 V 18 Ah battery.
+3 audio inputs
3 audio inputs (BGM or mic) + 1 mixed input. Noise gate and control activation.
+Up to 8 microphones
Paging station input up to 8 MPS-8Z multizone microphones or VAP-1 voice alarm panel.
+Pre-recorded messages
Dual message player for pre-recorded messages EVAC + ALERT. Phased evacuation. 10 minutes storage for pre-recorded messages.
+LCD display
Access control by LCD display.
+Wall&Rack design
Wall & Rack design, easy to install. Plug & Set mode for PA/VA EN 54.
+8+2 GPIO ports
8+2 GPIO ports (supervised for integration with Fire Alarm Control Panel).
+Attenuators control
+4 pre-amp outputs
4 pre-amp outputs for external PA amplifiers connection.
+DSP equalizer
DSP: 3/7-band input/output parametric equalizer, loudness, LDA sound enhancer, independent volume control per each input and output master.
+Loudspeaker lines supervision
Line terminators without return for supervision.
+Failure detection and indication
Failure detection and indication in all emergency functions. USB backup/restore and emergency log.
+Made in Spain
Designed and made in Spain by LDA Audio Tech.
ACCESSORIES FOR ONE / NEO+ / NEO
![MPS8Z_300x240](https://lda-audiotech.com/wp-content/uploads/2016/03/MPS8Z_300x240.png)
High performance digital paging station with “all-call” button, busy line signal, auto-lock function and event button.
![MPS8K_300x240](https://lda-audiotech.com/wp-content/uploads/2018/04/MPS8K_300x240.png)
Keyboard expansion unit for the MPS-8Z microphone, it adds 8 extra programmable buttons.
![A1_300x240](https://lda-audiotech.com/wp-content/uploads/2016/03/A1_300x240.png)
High performance desktop microphone with lighting indicators and different operational modes.
![TFL_300x240](https://lda-audiotech.com/wp-content/uploads/2016/03/TFL_300x240.png)
Filtered load impedance to improve the accuracy of loudspeaker line measurement in 70/100 V lines.
![VAP1_300x240](https://lda-audiotech.com/wp-content/uploads/2016/03/VAP1_300x240.png)
Voice alarm panel that offers a remote and supervised control of the NEO’s VA features.
![VAP8K_300x240](https://lda-audiotech.com/wp-content/uploads/2016/03/VAP8K_300x240.png)
Keyboard expansion unit for the VAP-1 voice alarm panel, it adds 8 programmable buttons.
![VAP1EC_300x240 VAP-1EC Blank Block](https://lda-audiotech.com/wp-content/uploads/2022/03/VAP1EC_300x240.png)
Blank block for voice alarm panel VAP-1 that can be used both in rack and installed on the wall.
![RACK4ALT_300x240](https://lda-audiotech.com/wp-content/uploads/2016/03/RACK4ALT_300x240.png)
19″ and 4U cabinet with glass front door and lock, all blank panels and required accessories.
![RACK6ALT_300x240](https://lda-audiotech.com/wp-content/uploads/2016/03/RACK6ALT_300x240.png)
19″ and 6U cabinet with glass front door and lock, all blank panels and required accessories.
![LDA-EQ242057-300_240 Red wall rack for VAP-1 EQ-242057](https://lda-audiotech.com/wp-content/uploads/2024/03/LDA-EQ242057-300_240.png)
Wall cabinet for housing a VAP-1 microphone unit and a VAP-8K keyboard extension.
![LDA-RCD21R-300_240 Multisource player RCD-21R](https://lda-audiotech.com/wp-content/uploads/2024/03/LDA-RCD21R-300_240.png)
All-in-one multi-source audio player with USB and SD card.
![LDA-ATseries-300_240 AT Series Attenuators](https://lda-audiotech.com/wp-content/uploads/2024/03/LDA-ATseries-300_240.png)
Attenuators for high impedance public address lines of 70 or 100 V.
![ONE-standalone ONE Stand-alone unit system EN54](https://lda-audiotech.com/wp-content/uploads/2022/01/ONE-standalone.jpg)
![ONE-expandable ONE System Expandable](https://lda-audiotech.com/wp-content/uploads/2022/01/ONE-expandable.jpg)