
The MONACOR TXA-820 is a portable, self-contained Public Address (PA) amplifier system, designed for mobile applications such as sales events, lectures, or presentations, offering both wired and wireless audio functionality.
Portable Design: Features an extractable telescopic handle and 2 castors, allowing the system to be easily pulled like a trolley. It also includes a stand sleeve for mounting on a speaker stand.
Integrated Wireless Receiver: Equipped with an integrated 1-channel multifrequency receiver unit using UHF PLL technology and a diversity system for stable wireless reception.
Offers 16 selectable UHF frequencies (863–865 MHz) (license-free in the EU).
Compatible with optional microphone transmitters like the TXA-800HSE and TXA-800HT.
Bluetooth Receiver: Includes an integrated Bluetooth receiver for wireless audio streaming from compatible devices.
Power Source: Can be operated via mains connection ($\tilde{230\text{ V}}/50\text{ Hz}$) or via the built-in rechargeable lead gel battery (2 x 12 V/4.5 Ah).
Provides an operating time of up to 5 hours on battery power.
Features integrated automatic battery charging with charging status indication and discharge protection.
Sound System: Utilizes an efficient 2-way speaker system.
Mixing and Control:
Features a common master control and a 2-way tone control (Bass $\pm 10\text{ dB}/100\text{ Hz}$, Treble $\pm 10\text{ dB}/10\text{ kHz}$).
Includes a switchable microphone priority circuit (ducker function).
Multiple Inputs/Outputs:
Inputs: 1 x comb. jack (XLR/6.3 mm) for mic/line, 1 x 6.3 mm jack (mic), 1 x stereo line input (RCA), 1 x aux input (3.5 mm jack). Each input is adjustable.
Outputs: 1 x stereo line output (RCA), 1 x aux output (3.5 mm jack).
System Expandability: Allows linking via an optional TXA-820MT transmitter module.
| Feature | Specification |
| Rated Power (P$_{\text{RMS}}$) | 50 W |
| Peak Output Power | 80 W |
| Max. SPL | 114 dB |
| Frequency Range | 70–17,000 Hz |
| Wireless Carrier Freq. | 863–865 MHz |
| Wireless Channels | 1 (with 16 selectable frequencies) |
| Battery Type | 2 x 12 V/4.5 Ah rechargeable lead gel battery |
| Battery Operating Time | Up to 5 hours |
| Inputs | XLR/6.3 mm jack (Mic/Line), 6.3 mm jack (Mic), RCA L/R (Line), 3.5 mm jack (Aux) |
| Outputs | RCA L/R (Line Out), 3.5 mm jack (Aux Out) |
| Dimensions (W x H x D) | 305 mm x 510 mm x 265 mm |
| Weight | 14.5 kg |