Portable-PA-system-with-Wireless-Microphones-QTX-178-846UK-p-A-self-contained-portable-power-amplifier-unit-operating-from-either-mains-power-or-internal-re-chargeable-battery-that-drives-a-38cm-15in-main-driver-and-2-5cm-1in-compression-driven-horn-unit-BR-BR-This-PA-system-also-includes-a-pair-of-VHF-handheld-wireless-microphones-with-the-receiver-built-into-the-mixer-amp-section-at-the-rear-along-with-two-further-mic-inputs-with-echo-auxiliary-line-input-and-integral-USB-SD-me