Écoute: The world's ONLY vacuum tube headphones! With an AUDIO Comparison!

I tested a pair of Écoute Headphones to figure out what's going on with them and have a sample for you. 0:00 intro 5:06 Audio Comparison 6:37 Conclusion PRE-AMP: Nutube 6P1 Dual-Triode Vacuum Tube High-Bias Class A/B Dual-Mono Amplification BATTERY PLAYTIME: 20 hours at maximum volume ANALOGUE: 3.5mm Audio Jack DIGITAL: High-Resolution 32bit/384kHz USB-Audio Input via Type-C Cable WIRELESS: Bluetooth Version 5.3 Supported Profiles: A2DP, AVRCP, HSP, HFP Codecs Supported Natively: SBC, AAC, LDAC NOISE CANCELLATION: Active Hybrid Noise Cancellation (ANC) (FF + B) VOICE ASSISTANT: Compatible with Siri, Google Assistant MICROPHONE: Built-in microphone for calls WARRANTY PERIOD: 1 year