https://www.chiayo.com.tw/manual/apexpro-e.pdf

The new Apex Pro portable PA system with 4 x the wattage of the best-selling Challenger 1000 PA

Base model comes with Bluetooth installed. No wireless receivers or microphones included. Up to four wireless mic receivers can be added at $343.85 each microphones from $399.00 each

General Features Dual 240W Class-D power amplifiers built in. Built in 2-way 240 watt speaker system (10” + 1” HF). 240 watt active output for external 4~8O speaker. MIC 1 and 2 are XLR/6.3mm combo jack connectors for microphone and line inputs with individual volume control and a MIC/LINE level switch. LINE IN (XLR/6.3mm combo & 3.5mm jacks) with volume control. Up to 4 diversity receiver modules with 100 frequencies.(optional) Scan and Sync button for quick and simple mic channel set-up. Optional Built in Bluetooth receiver for music streaming. DIGITAL IN (USB 2.0) allows playing audio files directly from computer via USB cable. ACTIVE OUT (XLR jack) for multi-unit audio linking. SPEAKER OUT (6.3mm jack) for an external 8O passive speaker with volume control. REVERB with bypass, and volume control for wired and wireless microphones (switchable). VOICE PRIORITY function automatically ducks music during speech (switchable). 3-band equalizer (BASS / MIDDLE / TREBLE) for all audio inputs. Digital limiter prevents output distortion, with 6-step LED audio meter indicator. Smart charging circuit with 4-step LED battery indicators and charging LED. Storage compartment for 4 transmitters (handheld x 4 pcs or handheld x 2 pcs + beltpack x 2pcs) and a switching power supply. User friendly battery compartment design for simple battery replacement. Integrated retractable handle and BIG wheels for easy portability. Tripod stand mountable with ST-50. Up to 12 hours operating time per charge with lithium battery and 6 hours with Lead-Acid battery. 2 power modes: Internal Rechargeable battery & DC jack

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