Music Spectrum Audio Analyzer, VFD LED Sound Level Meter, Built-in DSP, Support EQ Adjustment, 15 Levels Digital Audio Spectrum Analyzer Display for Car, Home (Color : with DSP) : Amazon.ca: Electronics
KEYSIGHT U8903B/210 Performance Audio Analyzer with 4 analog analyzer channel, digital audio and Bluetooth (bundle including U8903B and U8903B-210) | Batter Fly
PAA3X
AN-31XL Audio Analyzer - omnitronic
Flex 2-Channel Software Audio Analyzer | GerrAudio Distribution