Check the listing for details. Yamaha PA2030a Lo-Z/Hi-Z Switchable Class-D Amplifier. Condition: New. Listed at 319.99 USD. Yamaha PA2030a Lo-Z/Hi-Z Switchable Class-D Amplifier The Yamaha PA2030a is a versatile Class-D power amplifier designed for commercial audio installations. Here are its key features and specifications:Switchable between low impedance (Lo-Z) and high impedance (Hi-Z) operationLo-Z mode: 30W x 2 channels at 3Ω/4Ω/8ΩHi-Z mode: 60W x 1 channel at 70V/100V1 stereo/2 mono line inputsBuilt-in speaker EQ optimized for Yamaha VXC/VXS series speakersBuilt-in high-pass filter (HPF) and low-pass filter (LPF)Compact 1U rack-mountable designIntelligent protection functions for safe operationEasy setup and user-friendly interfaceThe PA2030a is designed to be combined with the MA2030a mixer amplifier for expanded functionality. It features a Class-D amplifier design for high efficiency. The amplifier supports both low impedance speakers (3Ω/4Ω/8Ω) and high impedance 70V/100V distributed audio systems without requiring additional transformers.Key technical specifications include:Frequency response: 50Hz to 20kHz (±3dB) for Lo-Z, 90Hz to 20kHz (±3dB) for Hi-ZTotal harmonic distortion: ≤0.1% (Lo-Z), ≤0.2% (Hi-Z)Input connectors: Stereo RCA (unbalanced) and 3.5mm Euroblock (balanced)Speaker outputs: Barrier strip terminalsThe PA2030a includes built-in protection circuits for the amplifier, speakers, and power supply. It's certified as a Yamaha Eco Product, indicating environmentally-friendly design. Overall, this amplifier offers a compact, flexible solution for small to medium-sized commercial audio installations. Contact us We can be contacted at any time through eBay messages if you have any questions, comments or product requests. We will respond to you within 24 hours and do our best to help you out! We encourage our customers to contact us with any questions or concerns! We'd like to be sure you are completely satisfied with your purchase. eBay Return Policy Please review our return policy carefully before making a purchase. Items Eligible for Return: Returns are accepted within 30 days from the date the item is received. We do not offer exchanges. Items Not Eligible for Return: Items priced above $1000. Used items. Restocking fee: All returns are subject to a minimum restocking fee of 15%. If an item is returned in an open box condition or shows any signs of use, a restocking fee will be charged based on the item's condition: 25% (Open Box or Damaged Packaging) 30% (Minor Scratches) 50% (Moderate, Deep Scratches, Heavy Blemishes) Return Process: To initiate a return, please contact us within 30 days of receiving your item. Provide your order number, a description of the issue, and any supporting documentation or photos. Approval and Instructions: If your return is approved, we will provide detailed instructions on how to proceed with the return. Please do not return any items without prior authorization from us. Shipping Costs: Buyers are responsible for return shipping costs. Ensure the item is securely packaged to prevent damage during return shipping. Refund Processing: Refunds will be processed once we receive and inspect the returned item. Please allow 2-3 business days for the refund to be processed.