Low SVS Sub Output Check Your App

Has your app-connected SVS subwoofer sounded different or simply low recently? Mine did as well as this is what I found.
Tools Used:
apple iphone X.
Shure MV88+ Mic: https://amzn.to/2PUyPIK.
Polk Audio LSiM707 Speakers: https://amzn.to/2NQxTCg.
Polk Audio R50 Speakers: https://amzn.to/2E1XfJ4.
Yamaha RX-V2085 Receiver: https://amzn.to/2JUfWBE.
Pillar 3×200 watt Amplifier: https://amzn.to/2NQty2d.
Pillar Interconnects: https://amzn.to/2Np0qA3.
Customized Speaker Wires: https://www.youtube.com/watch?v=YuxK-HQGvkI.
Different Acoustimac & GIK Acoustics absorption and diffusion panels: https://amzn.to/2JUOjby.
Synology 1019+ NAS: https://amzn.to/31h10mY.
Seagate IronWolf Drives: https://amzn.to/32jV6D4.

Taped in Pure Direct, straight to as well as from electronic camera. Resource, Amazon Music HD over Airplay at CD Quality. YouTube does not sustain more.
Audio Demo video clips are not monetized by me, all earnings go straight to the particular copyright holders.

Just How To Place Speakers: https://youtu.be/kjYTGV0LMcs.
Polk LSiM707 Unboxing: https://youtu.be/q2rBKmocYRM.
Polk LSiM706 Unboxing: https://youtu.be/JiR_yztgdM8.
Polk LSiM702 Unboxing: https://youtu.be/B_103GVXQVo.
Polk LSiM707 Review: https://youtu.be/SoJLyKeJmy4.
Monolith 3×200 Amplifier Review: https://youtu.be/0-k67AtyU_I.
Streaming Services Comparison: https://youtu.be/lzSjm7FsWbM.
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