LZ A7 4BA + 2 Piezoelectric ceramic + Dynamic 7 Drivers Hybrid HiFi Audiophile In-ear Earphones
The sound effect can be changed by the dial switch between two modes, i.e. POPmode and MONITOR mode.
Each pair (with a different color) of provided interchangeable earphone nozzlesgives a different tuning.
They can be exchanged by unscrewing the tubecounterclockwise and then screwing on another tube by twisting it clockwise.
When screwing on, use a certain amount of force to tighten the tube until the rubber edgeis compressed, but do not over-tighten it with tools.
Type: In-ear earphones with interchangeable cable
Drive unit: dynamic+ ceramic + BA, 3 type 4-way 7 drivers hybrid earphones, dynamic for low frequency
(liquid crystal molecule coating composite diaphragm) × 1,
BA for medium frequency (Knowles) × 2,
BA for high frequency (Knowles) × 2 ,
Piezoelectric ceramic ultra-high frequency (7 layers of piezoelectric parallel) × 2
Frequency response range: measurable frequency response 5Hz-40kHz, audible frequency response 20Hz-20kHz
Impedance: POP mode is 15Ω/ MONITOR mode is 13Ω
Sensitivity: 109dB/mW in POP mode / 113dB/mW in MONITOR mode, @ 1kHz
Channel error: ±0.5db
Earphone pin: MMCX interface
Standard cable material: 8 strands of 6N single crystal copper silver-plated
Length :1.2 meters
Plug:3.5mm standard single-ended
Executive standard: CTIA international standard IECQ
Will be shipped via DHL , EMS or FedEx such express service , If you have any question about the shipping ways , please feel free to contact us .
Pls leave us your telephone number when you pay .so we can ship out your item right away.
Due to the impact of the COVID-19 pandemic, global international shipping will delays. The delay at our Hong Kong post office is very serious, so we have changed to other fastest or most efficient international shipping. Now the normal estimated delivery time may be delayed by about 1-2 weeks. In some countries where is higher free-tax rate, we will provide free courier service as much as possible.
All listed items will be shipped though Registered Airmail with tracking number if there is no extra shipping method option listed or shipping description in the product page.
Economy shipping: Will be shipped without tracking number.
Registered Airmail : Will be shipped via such as Hong Kong post , Deutsche Post , Netherlands Post , Singapore Post, you can leave us a message if you have any requirement about the shipping method .
It will be shipped via Hong Kong Post by default, Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE, pls leave us a message if needed.
Express service: Will be shipped via DHL/EMS/UPS/FedEx