Item for sale : Theta Data DS Pro Basic III (3)Digital-to-Analog Converter(DAC) Signal Processor Item is Used in great working condition. We offer 30 Day DOA Warranty. We only ship to PayPal confirmed US addresses. If you have a concern with your order PLEASE message us through eBay. Returns: We accept returns within 30 days. All returned items must be in the original, undamaged packaging with all packaging materials, including any paperwork. Returned items should be double boxed to avoid defacing the original box/packing of the product. Please do not write on, place stickers, or shipping labels on the original manufacturers package. A restocking fee of 15% will apply to merchandise returned for a refund that is tested and found non defective. Return shipping is paid by the buyer; we cannot offer any refunds or reimbursement for shipping expenses. If you refuse your delivery, the carrier will charge us for shipping both ways, these expenses accrued on your behalf will to be deducted from your refund. Packages damaged in transit must be reported within 3 days from the date of delivery. BB4MTC6 F4 See attached photo for grading scale.