The Night's Resonance | 14-inch D-Tuning Black Crystal Singing Bowl

I. Material & Craftsmanship

▸ Black Crystal Core: Forged from high-density quartz crystal through 72-hour vacuum smelting, achieving a deep onyx-black finish with a nano-level mirror polish for a velvet-like texture.
▸ Acoustic Design: The 14-inch bowl incorporates a golden-ratio sound expansion structure, delivering a rich D-tuned fundamental frequency with 40% greater sound pressure than standard singing bowls.

II. Professional Acoustic Performance

• 440Hz Standard Pitch: Matches international concert tuning (A4=440Hz), ensuring seamless harmony with musical instruments.
• Harmonic Structure: Features a natural chord progression (2nd harmonic: A5/880Hz, 3rd harmonic: D6/1320Hz), ideal for deep meditation and sound healing workshops.

III. Aesthetic & Applications

• Visual Impact: Black crystal with matte gilded engravings, symbolizing "balance between cosmic dark matter and light"—perfect for avant-garde art installations.
• Scenarios:
  • Professional Sound Therapy: Creates low-frequency energy fields that penetrate dense electromagnetic environments.
  • Art Studios: Serves as a centerpiece for immersive audiovisual installations.