XPA-350 - Receiver Omnitronic - Free user manual and instructions
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| Product Type | Professional PA Receiver/Amplifier |
| Brand | Omnitronic |
| Model | XPA-350 |
| Dimensions (W x H x D) | 19 x 3.5 x 10.6 inches (483 x 89 x 270 mm) |
| Weight | 11.5 lbs (5.2 kg) |
| Power Supply | AC 100-240V, 50/60 Hz |
| Power Output | 2 x 350 W RMS at 4 Ohms |
| Frequency Response | 20 Hz - 20 kHz, ±1 dB |
| Input Connectors | XLR, 1/4" TRS, RCA |
| Output Connectors | Speaker binding posts, SpeakON |
| Cooling System | Variable speed fan, front-to-rear airflow |
| Protection Features | Short circuit, thermal overload, DC offset, limiter |
| Controls | Volume knobs per channel, power switch, limit indicators |
| Mounting | 19" rack-mountable, 2U height |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Cleaning Instructions | Use dry cloth; do not use solvents or liquids near vents |
| Safety Certifications | CE, RoHS |
| Warranty | 2 years limited warranty |
| Spare Parts Availability | Contact Omnitronic or authorized service centers |
| Repair Information | Refer to manual for troubleshooting; professional repair recommended |
Frequently Asked Questions - XPA-350 Omnitronic
How do I connect my speakers to the XPA-350?
Use the SpeakON or binding post outputs. Ensure speakers have compatible impedance (4-8 Ohms). Connect positive to positive and negative to negative.
What is the maximum power output of the XPA-350?
The XPA-350 delivers 2 x 350 Watts RMS at 4 Ohms, or 2 x 250 Watts RMS at 8 Ohms.
Can I use the XPA-350 in a bridged mode?
Yes, the XPA-350 supports bridged mono operation. Refer to the manual for proper configuration; output becomes 1 x 700W at 8 Ohms.
How do I clean the XPA-350?
Disconnect power. Use a dry, soft cloth to wipe the exterior. Do not use any liquids or solvents. Clean air vents with compressed air if dusty.
What input signals can the XPA-350 accept?
It accepts balanced (XLR, TRS) and unbalanced (RCA) signals. Use appropriate cables. Avoid overloading inputs.
Why is the XPA-350 overheating?
Ensure proper ventilation. The fan may be blocked or the unit may be driven into high power for extended periods. Check that the impedance load is not too low.
How do I rack mount the XPA-350?
Use the included rack ears. Mount in a standard 19-inch rack, 2U height. Leave 1U space above and below for cooling.
What does the 'Limit' LED indicate?
The Limit LED flashes when the amplifier is nearing maximum output to protect speakers. Reduce the volume if it stays on continuously.
Can I use the XPA-350 with a subwoofer?
Yes, connect the subwoofer to one channel or bridge both channels for a single subwoofer. Use a crossover if needed.
Where can I find spare parts or repairs?
Contact Omnitronic customer support or an authorized service center. Do not open the unit; only qualified technicians should repair.
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USER MANUAL XPA-350 Omnitronic
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Product information
Brand : Omnitronic
Model : XPA-350
Category : Receiver