DIGITAL - single cable only. Super Sound Pipe is a new development of the established Sound Pipe. NPST construction with two separately screened parallel cables with separate centre core for positive and negative runs (instead of using screen for neg). More information balance and control. MADE TO ORDER - usually dispatched within 14 days. Bespoke lengths available on request. Our cable trade-in scheme gives you the very best value for money when you want to take the next step in the NVA range. No need to delay until you can sell your existing cable, we do all the work, sell your original cable and pay you up front! Up to 100% trade in value if you send your cable back within one year of your original purchase date. Up to 75% trade in value if you send your cable back within two years of your original purchase date. Up to 50% trade in value if you send your cable back more than two years from your original purchase date. Read more