Yamaha DSP-A5 - Yamaha NP-S303 - BDS PP-131 spectrum analyzer

Yamaha DSP-A5 - Yamaha NP-S303 - BDS PP-131 spectrum analyzer Setup Yamaha DSP-A5 AV Amplifier : http://www.audioreview.com/product/amplification/a-v-receivers/yamaha/dsp-a5.html BDS PP-131 spectrum analyzer: https://www.aliexpress.com/item/1005001332925207.html?spm=a2g0s.9042311.0.0.38c84c4dGWB52T Yamaha NP-S303 Network Player: https://www.hifichoice.com/content/yamaha-np-s303 Clock-VU spectrum analyzer: https://www.aliexpress.com/item/1005001359485424.html?spm=a2g0s.9042311.0.0.38c84c4dGWB52T