Hardware tester
Press a key. Click a button. See your hardware respond.
Loading tester…
Press a key. Click a button. See your hardware respond.
Loading tester…
Play Velvet Concrete through stereo headphones or speakers. Switch between Left, Right and Both without restarting the track. Mono audio settings can combine the channels.
Ready. Set your device volume low, then choose a channel.
Inputs stay in this page and are not saved or sent to the store. This checks browser input response, not hardware health or warranty eligibility.