I'm sorry the AV855 isn't meeting your expectations for voice clarity. I understand how frustrating that must be, especially when you felt stuck without the original packaging.
First, let me assure you that we don't require the original box for returns - any appropriately sized box will work fine.
Before you decide on a return, would you be interested in trying some settings adjustments? Our support team has helped many customers optimize their AV855 for better voice separation. However, if you'd prefer to return it, I completely understand and will email you return instructions right away.
Feel free to contact us at info@zvoxaudio.com or
submit a support ticket with any questions.