Thank you for viewing! Feel free to ask about price reductions! Instant purchase is welcome! ◎Product Description◎ 【Product Name】 UNIVERSAL AUDIO MAX PREAMP DUAL COMPRESSOR 【Included Items】 Box, Instruction Manual ◎Condition◎ Operation has been confirmed with an AC adapter. There are no issues with sound output in both bypass and effect modes. Please check the product images for details. ◎Notice◎ We carefully inspect all products, but in the unlikely event of a problem, we will accept returns and provide a refund. * Please note that the customer is responsible for return shipping costs. * Returns are only accepted if we are contacted within one week of receiving the product. If you have any questions, please feel free to ask in the comments section. Thank you!