- Invictus environmental noise monitor - Environmental noise monitor
- MK427 noise sensor - Environmental noise sensor
- MK440 NoiseSensorLITE - Environmental Noise Sensor
- Outdoor measurement kits - Outdoor measurement kits for use with Cirrus optimus sound level meters
- Quantum Outdoor Cloud Based Noise Monitor - Quantum Outdoor Cloud Based Noise Monitor
- Trojan noise nuisance monitor - Noise nuisance recorder