Prism is Tanchjim's 1DD+2BA flagship IEM

1DD+4BA Hybrid

Technical Specifications. Driver – 12 Balanced Armatures (Knowles & Sonion) Frequency response: 10-40kHz Sensitivity: 114dB Impedance: 25Ω Channel balance: ≤0.5dB Distortion rate: ≤1% Waterproof: IPX3 Connectors – 2-pin 0.78mm

8 driver EST-BA hybrid from BGVP with 6 BA + 2EST

12 driver EST-hybrid from BGVP with 8BA + 4EST drivers.

Technical Specifications Model: S8 Freedom Sensitivity: 113 dB SPL/mW Frequency Response: 15Hz - 20kHz Impedance: 15Ω @ 1kHz Driver: 8 Balanced Armature drivers with a 4-way crossover Noise Attenuation: 26 dB Description Technical features: adopt 8 balanced armatures, 4-way crossover 3 tubes...

Moondrop's single Diamond-Like-Carbon & PEEK dynamic driver in-ear monitor

Specifications - Driver - 4 Balanced Armatures (2 x Knowles 22955 & 2 x Knowles 29689) Features - 4-way crossover 2 tubes Impedance - 15ohm Sensitivity - 115dBL/mW Frequency range - 15Hz-20KHz Passive noise reduction - 26dB Connector - 2-pin 0.78mm Available in Universal and Custom Shells...

Driver: 3 Balanced Armatures (1 Knowles ED29689 and 2 Knowles CI) Frequency range: 15Hz-20kHz Impedance: 15ohm Sensitivity:113dBL/mW Reduce noise:26dB Connector: 2pin 0.78mm

Dual driver hybrid with core dynamic driver of EN700 Pro + Knowles RAF 32873