1. 1000MP 70MHz amplifier. $20USD plus shipping. PayPal. 2. Spare DSP-A and DSP-D units. New. Sold the 1000MP and spares are no longer needed. Original cost $400+, sell for $200USD shipped NA. PayPal. Doug --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus