Kõlarite testheli (10 – 20000 Hz) – 5 minutit lineaarset amplituudi, täispikk – Relaxing and useful sounds, noises and videos

Kõlarite testheli (10 – 20000 Hz) – 5 minutit lineaarset amplituudi, täispikk, bass, keskmine ja kõrgekvaliteediline video ja kvaliteetne heli.

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