HSADSP.31 vs Decibel Meter

After connecting App to Car Amplifier with Integrated DSP,  EQ, BASS, TIME ALIGNMENT, PHASE, MUTE, FILTER , SAVE SOUND SETTING TO PHONE, SAVE SOUND SETTING TO AMPLIFIER, LOAD SOUND SETTING FROM PHONE, RCA OUTPUT etc could be controlled through this App. How to use: 1.Install App and turn on power of car 2. Turn on Bluetooth on your iPhone 3,Open App and wait for around 5 seconds, then click “Connect” icon in left corner of bottom. Amplifier will be connected to App automatically. 4.DIY you preferred sound and then click “Save to AMP” icon to save. Or click “ Save to Phone” to save.   Note： 1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.

Precise sound level measurement in real time for reliable dB readings. This app delivers accurate dB analysis using advanced audio processing. Ideal for music, environmental noise, studio monitoring, construction sites, events, or everyday use. The app measures sound levels with high accuracy and displays clear, easy-to-read data in real time. Professional measurements powered by modern technology The app uses the latest iOS audio architecture in measurement mode to capture sound levels as accurately as possible without system filtering. The display updates continuously with stable and smooth measurement values. Main features - Real-time sound level measurement in dB - Supports the following measurement types: dB(A), dB(C), and dB SPL - Accurate readings thanks to measurement mode without signal alteration - Recording of measurement data, audio, photos, and video - Photo and video recording with measurement overlay - Simultaneous video recording with unprocessed audio signal - Minimalistic and intuitive interface - Clear peak and average value display - Reference table for quick interpretation - Stable history for long-term monitoring - Optimized for iPhone - Suitable for everyday use, work, and hobby applications Whether in a music studio, at a concert, in the office, in a workshop, or at home, this app helps analyze sound sources, assess volume levels, and document sound measurements. Perfect for audio engineers, musicians, content creators, teachers, craftsmen, event organizers, and anyone who requires accurate sound level readings. Advantages at a glance - High measurement accuracy - Clear and distraction-free display - Energy efficient and stable - Fast and reliable results Important: A reading of 0 dB is technically not achievable. See the reference table in the app for more details. -------------------- Offers in-app purchases and auto-renewable subscriptions to unlock PRO features and premium sound content. Subscription Terms: https://www.clidoapps.com/app/iap/ios/decibelmeterpro Privacy Policy: https://www.clidoapps.com/app/privacy/ios/decibelmeterpro Terms and Conditions / Terms of use: https://www.clidoapps.com/app/tac/ios/decibelmeterpro