130nm digital signal processing chip
Upper-middle-power output with low distortion
2-channel automatic volume control (WDRC)
Adaptive feedback cancellation
Layered Noise Reduction
Low-frequency noise adjustment(H-tri)
≤100dB
Fine-tuned Ear Production(
P-tri)
Automatically saving volume
3 program modes(P1 Quiet Environment Mode , P2
Noise Reduction Mode,P3 Telecoil Mode )
Mode switch prompt tone
(Not
Volume change prompt tone
Programmable)
Low battery warning indicator
Booting delay prompt tone






