SPL meters can be very helpful while you’re mixing, but you have to know what you’re looking at to properly interpret the data it’s giving you. NIOSH Time Weighted Average Limit Recommendations: For each 3 dBA increase in noise level (measured in SPL Slow, A-weighted), NIOSH recommends reducing the exposure duration by half. 85 dB-A - 8 hours 88 dB-A - 4 hours 91 dB-A - 2 hours 94 dB-A - 1 hour 96 dB-A - 30 minutes 99 dB-A - 15 minutes Read more here: https://www.cdc.gov/niosh/topics/noise/noise.html Recommended SPL Meters: Extech 407730 https://amzn.to/3RFY4xC Erickhill ES100 - https://amzn.to/4ai5C0Y Galaxy Audio Check Mate CM-130 SPL Meter - https://sweetwater.sjv.io/nLxAKa Galaxy Audio Check Mate CM-140 SPL Meter - https://sweetwater.sjv.io/3eWRNA P.S. Some of the above links are affiliate links, which generate a small commission for me at no additional cost to you. It’s a way you can support the channel and get great hardware and software all at the same time :)