LZ Big Dipper 7BA IEM

LZ Big Dipper 7BA IEM - Big Dipper

LZ Big Dipper 7BA Audiophile In-Ear Earphone IEMs with 2-Pin Interface

Customize colors  will take about 2 weeks .

Pls leave us a note about the color you like . Or contact us whenever you have any questions .


  • In order to be able to release earphone the best performance, we recommend to use the excellent DAP with headphone amplifier to drive .It is recommended burn-in 200 hours or more.

Tuning switch manual ,Turn on the switch to enhance frequency

  • Without Switch , Cannot tuning the bass, middle and treble
  • 1 Switch , can tune any one of the bass, middle or treble.
  • 2 Switches  , can tune any two of the bass, middle or treble.
  • 3 Switches , can tune bass, middle and treble.


  • Brand: LZ
  • Model: Big Dipper
  • Vocalism Principle: Balanced Armature
  • Drive unit: 7BA drivers
  • Impedance: 25Ω
  • Frequency Response Range: 15-25000Hz
  • Earphone sensitivity: 115db/mW
  • Earphone Interface Type: 0.78mm 2-Pin
  • Plug Type: 3.5mm gold-plated plug
  • Cable Length: 1.2m±5cm
  • THD/Total Harmonic Distortion: <0.2
  • Power output: 5mW
  • Function: For Mobile Phone, HiFi Headphone, Portable Media Player, for iPod, Sport, Supports music


  • Will ship via DHL/UPS/EMS/FEDEX
  •  It is required to put your phone number on the parcel, please leave us your contact number when you pay.

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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.

Free Shipping

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

  • Views: 17932
  • Brand: LZ HiFI
  • Product Code: Big Dipper
  • Availability: In Stock
  • $620.00

Available Options

Tags: LZ Big Dipper 7BA IEM, 7BA, 2Pin, 0.78mm, detachable