JLab is a well-known personal audio equipment brand in the United States, founded in 2005, and its products cover various types of headphone products such as in-ear, over-ear and over-ear. Among them, the TWS earphone series has a good sales volume in the United States and around the world. JLab GO AIR POP is a lightweight design, stylish and comfortable to wear, with a mini size, smart color scheme, and an all-in-one convenient charging method.
In terms of functional configuration, the JLab GO AIR POP is equipped with a 6mm dynamic driver unit, built-in EQ3 intelligent sound effects, including JLab signature sound effects (vocals), equalization and bass enhancement, and supports custom settings to meet users' personalized needs for sound quality. It also supports dual MEMS microphones for a clear call experience; It supports multi-point connection between two devices, and low-latency mode, providing a game and viewing experience that is convenient to use and synchronized with audio and video.
The JLab GO AIR POP Charging Case comes with an integrated USB-A charging cable for convenient charging at any time. At the same time, the lightweight body has a long-lasting battery life of 32 hours, and the single battery life has also reached 8 hours, which can meet the use of multiple scenarios such as daily and short-distance travel. Let's take a look at the detailed teardown report of this product~
一、JLab GO AIR POP真无线耳机开箱
The JLab GO AIR POP True Wireless Earbuds box continues the family-style design style, with a blue color scheme and a compact size. The front of the box shows the appearance of the product, the brand LOGO and the product name, as well as the product features of 32-hour battery life, laboratory tuning, dual connection + dual microphones, and touch control.
The back of the box also introduces the functional features of the product, as well as the list information in the box.
The features of the three EQ presets are explained on the side of the box, which can be switched by pressing the 3-touch control button.
The packaging box displays some of the product's parameter information and certification marks. Speaker: 6mm driver, battery capacity: 350mAh (charging case) / 43mAh (earphone), battery life: 32 hours (total) / 8 hours (earphone), Bluetooth: Bluetooth 5.1-30 feet range.
Take out all the contents of the box, including the main unit, earbuds and product manual, this one is slate blue.
Two pairs of silicone ear tips are included, one pre-installed on the earbuds, and a total of three sizes are available to meet the needs of different users, bringing better sealing and wearing stability.
The JLab GO AIR POP charging case has a rounded square design with a matte texture, and the front lid is designed with a buckle groove for easy opening. There is an indicator light on the lower body for feedback on the charging status.
The appearance of the back of the fuselage is at a glance, and the integrated hinge structure is designed.
The top of the fuselage is designed with the "JLab" brand LOGO.
The bottom and side of the fuselage are fixed with an integrated USB-A charging cable through the card slot, and it can be charged by taking it out and connecting it to the USB-A charger interface.
Take out the charging case and engrave the product information and certification logo below. Model: JLab GO AIR POP, Input: 5V-1A, made in Vietnam.
Open the lid of the charging case, and the internal earbuds are fixed by magnetic, protruding from the cockpit, which can be easily accessed and placed.
Take out the headphones and get a look at the interior of the cockpit.
A list of product information engraved on the inside of the lid.
The cockpit is engraved with L/R left and right logos for easy user distinction.
Close-up of the metal thimble inside the cockpit charging headphones.
The overall appearance of the JLab GO AIR POP True Wireless Earbuds at a glance features a bean-shaped in-ear design, the texture is the same as the charging case, and the size is lightweight and comfortable to wear.
The exterior of the fuselage is decorated with a glossy brand logo on the back, and it is also a touch area for convenient control.
The side of the fuselage is equipped with cut-outs for microphones and indicator lights.
Close-up of the microphone pickup hole, internal wire mesh protection.
A glance at the exterior of the inside of the fuselage, engraved L/R logos left and right.
Close-up of the metal contacts connected to the charging case for charging.
Remove the earbuds, close-up of the earphone mouthpiece, dust filter protection.
According to the actual test of I Love Audio Network, the JLab GO AIR POP True Wireless Earbuds weigh only about 35.9g, which is lightweight and portable.
The weight of a single earbud with pre-installed earbuds is only about 4.0g, which is light and comfortable to wear.
I love audio network used the ChargerLAB POWER-Z KM001 portable power tester to charge the JLab go air pop true wireless earbuds, the charging power is about 1.02W.
二、JLab GO AIR POP真无线耳机拆解
Through unpacking, we learned in detail about the lightweight design of the JLab GO AIR POP True Wireless Earbuds, and now enter the teardown part to see the internal structure configuration information~
Disassemble the charging case
Disassemble the snap-on charging case shell and take out the cockpit structure.
The main board on the bottom of the cockpit is connected to the external integrated charging cable by means of wires, which are knotted to prevent traction and displacement.
The bottom structure of the cockpit is at a glance, and the motherboard is fixed in the middle, and the charging cable and battery wire are welded.
Disconnect the lead and remove the charging cable.
The structure of the integrated USB-A charging cable of the charging case at a glance.
Remove the battery and secure the motherboard underneath by screwing.
Charging case built-in lithium battery Model: HJ 501745, Nominal voltage: 3.8V, Rated capacity: 380mAh 1.444Wh, production date: November 11, 2023, from HJ Hongjie New Energy.
Tear off the insulation protection, the positive and negative nickel sheets of the battery are welded with the wires, and the battery protection circuit is located on the motherboard.
Remove the screws and remove the motherboard unit.
An overview of the structure at the bottom of the cockpit, with two magnets for holding the headphones.
A close-up of the indicator light hood at the bottom of the cockpit, and a magnet is also set under it to secure the lid of the charging case and connect the function when the lid is opened.
A list of circuits on one side of the motherboard of the charging case.
A list of circuits on the other side of the motherboard of the charging case.
LPS Microsource Semiconductor LP7812A all-in-one intelligent TWS charging case power management IC. LP7812A integrated battery charging, earphone charging, temperature management, Hall detection, button detection, and LED display. The integrated linear charging circuit charges the battery compartment while supporting an input voltage of up to 28V and a charge current of up to 0.8A. Two independent earphone charging circuits support voltage following, which can improve the conversion efficiency from the compartment battery to the earphone battery by about 15%, that is, increase the battery life of the whole device by 15%, and greatly improve the selling point and user experience of the product.
The voltage following principle of the Hero Charge family LP781X series products adopts a unique constant current source method, which does not require MCU to participate in the whole process, making the implementation of voltage following more concise and convenient, saving customers' product development time, so that the terminal products can be launched faster.
LPS微源半导体LP7812A详细资料图。 据我爱音频网拆解了解到，目前已有小米、荣耀、Redmi、realme、MEIZU、红魔、雷蛇、小天才、FIIL、1MORE、JBL、Bowers & Wilkins、酷睿视、Barbetsound、JLab、SUUNTO、Monster、七彩虹、Nothing、斯莫格、PHILIPS、RODE、重力星球、Haylou、如布、ELEVOC、HHOGene，黑鲨、SoundPeats、花再、OPPO、华为、联想、索尼、诺基亚、摩托罗拉、漫步者、声阔、万魔、QCY、绿联、雷蛇等众多品牌旗下音频产品采用了微源的方案。
Close-up of the peripheral power inductor of the power management chip.
WINSEMI's WSDY3301B lithium battery protection IC is a highly integrated solution for the protection of single-cell Li-ion/Li-polymer rechargeable battery packs. The WSDY3301 includes advanced power MOSFETs, high-precision voltage detection circuits and delay circuits, and has all the protection functions required by batteries, such as overcharge, overdischarge, overcurrent, and short circuit, and has very low power consumption during operation. WSDY3301 is not only designed for wearable devices, but also for all kinds of information products that require long-term power supply from lithium-ion or lithium-polymer rechargeable batteries.
WINSEMI STEADY FIRST MICRO WSDY3301B Detailed Data Chart. According to the dismantling of I love audio network, there are currently Redmi, OnePlus, Baseus, Huawei, OPPO, realme, Meizu, Transsion, Edifier, Shengkuo, FIIL, Shengzhi, Bull, Tmall Genie, Core Vision, Nothing, JLab, Honor, QCY, Greenlink, SoundPEATS, Sing Bar, Tmall Genie, Made in Beijing, Skull, Transsion and many other brands of products have adopted Wenxian micro lithium battery protection chip.
Close-up of the Pogo Pin connector for charging the headphones.
Close-up of two LEDs of different colors for feedback on charging status.
Headset disassembly
Disassemble the earphone cavity along the clamping line.
The internal structure of the rear chamber is at a glance, and the bottom is provided with a conductive cloth for touch control and an acoustic sealing cover for the microphone.
An overview of the structure of the main board unit inside the front chamber, which is fixed by a hot melt column.
Remove the motherboard and secure the battery cell on the back.
The motherboard wire is connected to the speaker inside the front cavity, and the cavity wall is also fixed with a positioning slot and glue magnet for adsorption and fixation with the charging case.
Detach the battery, remove the speaker, and get a list of the main circuits inside the earphones.
The bottom structure of the front cavity is at a glance, and the metal casing of the speaker is inside the sound tube.
Close-up of the diaphragm on the front of the headphone speaker.
Close-up of the back of the speaker, with a tuning hole in the middle, protected by a wire mesh.
Speaker vs. one-dollar coin size.
According to the actual measurement of the I love audio network, the diameter of the speaker is about 5.79mm.
The earbuds have a built-in pouch lithium battery model: HJ 541112, nominal voltage: 3.8V, rated energy: 0.171Wh, also from HJ Hongjie New Energy.
A list of circuits on the side of the headset motherboard.
A glance at the circuit on the other side of the headphone motherboard.
A metal copper pillar that connects the charging case to charge the built-in battery.
JL Jerry's JL6973D8 Bluetooth audio SoC for wireless connectivity and audio data processing.
Close-up of the Bluetooth audio SoC's peripheral precision wound inductor powering its internal circuitry.
CLOSE-UP OF THE 24.000MHZ CRYSTAL OSCILLATOR, WHICH PROVIDES THE CLOCK FOR THE BLUETOOTH CHIP.
Close-up of the MEMS microphone of the Radium 61MQ for voice call pickup, from Ruiqin Electronics.
Two Sunlord Shunluo SDCL0603Q series multilayer ceramic inductors, the stacked structure of these series inductors ensures high reliability and production efficiency, and the well-designed coils and electrodes achieve high Q value and high self-resonant frequency (SRF). In addition, it is manufactured using a dry process to provide high-precision and high-consistency products that meet the demanding requirements of precision electronic components.
Sunlord Shunluo Electronic SDCL0603Q-T02B03 series detailed data map. According to the dismantling of the audio network, the products of brands including Yueme, DJI, Huawei, iFLYTEK, Xiaomi and Redmi have all used the inductors of Shunluo Electronics.
Two LED indicators of different colors are used to feedback the charging and wireless connection status of the earbuds.
Close-up of a metal shrapnel attaching a conductive cloth.
WINSEMI WINSON Micro WSDF13H2Y2H Lithium Battery Protection IC. WSDF13H2Y2H product is a highly integrated solution for single-cell Li-ion/Li-Polymer rechargeable battery pack protection, including advanced power MOSFETs, high-precision voltage detection circuits and delay circuits, with all the protection functions required by batteries such as overcharge, over-discharge, over-current, short circuit, etc., and very low power consumption during operation. The fact that it is available in a very small DFN4L-1×1 package makes the device ideal for rechargeable battery pack applications where space is very tight.
WINSEMI稳先微WSDF13H2Y2H详细资料图。
JLab GO AIR POP真无线耳机拆解全家福。
3. I love the audio network summary
In terms of appearance, the JLab GO AIR POP True Wireless Earbuds are lightweight and weigh only 35.9g, making them very portable, while the bean-shaped in-ear earbuds weigh only 4.0g, making them comfortable and lightweight to wear. Another outstanding feature is that the charging case adopts an integrated charging cable design, which can be charged at any time through the USB-A interface, saving the trouble of carrying the charging cable and finding the charging cable when charging.
In terms of internal configuration, the charging case is equipped with a 380mAh lithium battery, using LPS micro-source semiconductor LP7812A all-in-one intelligent TWS charging bin power management IC, integrating battery charging, earphone charging, temperature management, Hall detection, button detection and LED display and other functions, supporting voltage following, which can increase the battery life of the whole machine by 15%, so that the lightweight body can achieve longer battery life; It also adopts WINSEMI's WSDY3301B lithium battery protection IC, which is responsible for all the protection functions required by the battery, such as overcharge, overdischarge, overcurrent, and short circuit.
The earbuds are equipped with 6mm speakers and 0.171Wh soft-pack lithium batteries, and the motherboard is equipped with a MEMS microphone from Ruiqin Electronics, a WINSEMI micro WSDF13H2Y2H lithium battery protection IC, and Sunlord Shunluo Electronics SDCL0603Q series laminated ceramic inductors and other components.