Yamaha DSP-E492 Dolby Prologic Processor. Can be connected to an existing stereo hi-fi to produce 5 channel surround. No DTS or Dolby Digital processing but can be connected to external decoder (or internal decoder in some DVD player). Little use and good condition. £60 collected. Sony ST SE700 Tuner. RDS tuner. Hardly used (I don't listen to the radio). £40 collected. Alex AlexDOTwilsonATsandh-ltdDOTcom