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The QCY brand was founded in 2009, with the core product concept of "Pleasure in it", aiming to create comfortable and trendy wireless products, where Q stands for Quality, C stands for Creative creation, and Y stands for Young. Its head office, Hele Electronics, provides foundry services for Xiaomi True Wireless Headphones.

The price of QCY products is concentrated within 200 yuan, and the hardware configuration of the products is similar. It has achieved good reputation and sales with higher cost performance: like the QCY T5S true wireless Bluetooth headset and QCY T5 true that I have disassembled before. The wireless bluetooth headset and QCY T4 TWS true wireless bluetooth headset are basically this upgrade idea, with distinctions in appearance, wireless charging function, internal components and software functions.

Today we are going to disassemble the QCY T6 true wireless sports earphones, which come with silicone anti-slip earhooks, suitable for sports wear; the earphones newly use a 12mm large-size dynamic unit, and other hardware configurations are basically the same as T5S, such as a built-in charging box 600mAh large-capacity battery; the headset uses the original Bluetooth 5.0 chip, supports low-latency game mode, supports touch, supports call noise reduction, IPX5 waterproof, etc.; Android phones can download APP to unlock more settings. Let's take a look at the internal changes through disassembly~

I have also disassembled QCY T1S TWS Bluetooth headset (wireless charging version), QCY T1 youth version true wireless Bluetooth headset, QCY Q29 TWS true wireless Bluetooth headset, QCY-L2 active noise reduction wireless neck headset.

1. QCY T6 true wireless sports headphones out of the box

The style of the packaging box is very colorful, and it has formed the brand characteristics of QCY. The colored patterns on the periphery of the headset renderings resemble the euphonium. The upper left corner is the QCY brand logo, and the bottom is the product name "T6 TWS Smart Earphone".

The back of the box is the product information in both Chinese and English. The main contents are: QCY T6 TWS smart headset, model In1947, music playback time is about 6 hours, input parameter 5V600mA, support protocol: HSP/HFP/A2DP/AVRCP, manufacturer: Dongguan Hele Electronics Co., Ltd. In addition, there are some authentication information and anti-counterfeiting query information.

The contents of the box, earphones and charging box, charging cable, earplugs and user manual.

Two extra pairs of silicone earplugs of different sizes are included.

The charging cable is a USB-A to Micro-USB interface.

The charging box is a clamshell design, with a plastic body, frosted treatment, and the QCY brand logo on the top.

Information on the bottom of the charging box, model: In1947, input: 5V600mA, charging box battery capacity 600mAh/2.2Wh.

There is a groove on the front of the charging box for easy opening, and there is an indicator light below.

The charging port is located under the shaft on the back of the charging box.

My love audio network uses ChargerLAB POWER-Z KT001 portable power tester to perform wired charging test on QCY T6 true wireless Bluetooth headset. The charging power is about 2.8W.

Open the charging box and put the earphones upright.

Thimble to charge the headset.

QCY T6 true wireless sports earphones and charging case.

In the weighing process, the total weight of QCY T6 earphones and charging box: 89.2 grams.

Single weight of charging box: 72 grams.

The left and right earphones weigh 19.3 grams, which is not too heavy for earphones with their own earhooks.

2. Disassembly of QCY T6 true wireless sports earphone charging box

First, disassemble the charging box, pry open the charging cockpit, and snap-on connection. The shell occupies a large part of the weight.

The shaft is fixed with two screws.

The indicator light has a separate cable.

Take out the cable to see the light guide on the shell.

The internal circuit of the charging box is displayed, and the battery is fixed on the circuit board with double-sided tape.

There are magnets on the inside and bottom of the charging cockpit to attract the earphones.

The small board where the charging thimble is located is next to the bar magnet at the bottom.

The cable where the indicator light is located.

RGB LED indicator close-up.

The charging box circuit is displayed. The left side is the solder joints of the charging board and the indicator cable, the top is the battery solder joint, and the lower part is reserved for wireless charging. Let's take a look at the power management system.

There are no components on the back of the charging box.

The charging box uses a Micro-USB interface to input power, and the input end has a patch self-recovery fuse.

LPS Microsource Semiconductor's LP4069 single-chip high-voltage lithium battery charging IC has a maximum output current of 800mA and a maximum withstand voltage of 28V without input protection components. Responsible for charging the battery of the charging box.

According to the dismantling of my love audio network, TWS headset charging warehouses of well-known brands such as Edifier, JLab, Xiaomi, Motorola, OPPO, QCY have adopted a large number of micro-source solutions.

Micro source LP4069 details.

There is no protective board on the battery core, and the protective chip is soldered on the circuit board inside the charging box.

Battery information, model PL102523, rated voltage 3.7V, rated capacity 600mAh/2.22Wh.

LPS Microsource Semiconductor's LP6261, 1uA low-power boost chip. Using SOT23-6 package, 1.7uA ultra-low power boost (5V normally open), only 3 peripherals (inductance and input and output capacitors each 1pcs); shutdown current<0.1uA, built-in EN for complete shutdown, built-in Short circuit protection. It is used to charge the headset after boosting the battery voltage.

Micro source LP6261 details.

The solder joints at the connection between the charging small board wire and the main board are marked with positive and negative poles, and TVS is connected in parallel for ESD protection.

Saixin Micro XB5332A lithium battery integrated protection IC is used for battery overcharge and overdischarge protection.

Non-standard single chip microcomputer, mainly used to control LED indicator light and earphone charging.

Reserved wireless charging receiving circuit location.

3. Disassembly of QCY T6 true wireless sports headphones

Next, let’s disassemble the earphone part. The ear hook is made of silicone material to ensure the comfort of wearing; the earphone is an in-ear design with three-point support as a whole to ensure the stability of sports wear.

Silicone ear hooks are relatively soft and can withstand certain deformations.

The charging contacts at the bottom of the headset, there is an indicator light on the left.

The indicator light shows green as the working state.

The pressure relief hole inside the earphone.

Another pressure relief hole on the earphone shell.

There is a fine dust-proof net at the sound hole to prevent foreign matter from entering the earphone.

Disassemble the earphone shell along the mold line, you can see the internal circuit.

The internal circuit of the earphone is shown, and the speaker and battery are connected to the motherboard through wires.

There is a magnetic barrier sticker inside the shell.

Inside is a magnet that attracts the charging case.

Let's take a look at the layout of the headset body.

Inside are the touch sensing part and charging contacts, and there is a silicone cover at the position corresponding to the microphone opening.

Capacitive touch sensor patch, there is a thimble on the motherboard to connect the left contact.

The charging contact is fixed on the shell by glue.

Comparison of the size of the headset motherboard and battery with a dollar coin.

Battery information, model HJ12540, rated voltage 3.7V, 0.222Wh.

The wires connect the positive and negative poles of the battery.

The circuit display on the front of the motherboard.

Laser engraving 566 OBG's MEMS silicon microphone.

Two ICs side by side are similar in size. It is speculated that one is a touch IC and the other is a lithium battery protection IC.

The back of the motherboard is mainly the Bluetooth master chip and related circuits.

The main control chip is PixArt original phase PAU1603FB-S1, supports Bluetooth 5.0 EDR/BLE dual mode, adopts QFN-40 5x5mm package, and is suitable for TWS headsets.

The original phase PAU1603FB-S1 supports SBC / mSBC, AAC, built-in 10-band equalizer; supports dual microphone noise reduction; built-in lithium ion battery charger, charging current up to 400mA. Its patented GeendRadio stereo (GRS) technology has the characteristics of fast switching, low latency, low radiation, low power consumption and anti-interference.

According to the disassembly of my love audio network, QCY T5S true wireless Bluetooth headset, QCY T5 true wireless Bluetooth headset, QCY T4 true wireless Bluetooth headset, iWALK Ares TWS gaming headset, Razer Warhammer Wild Shark true wireless in-ear headset, Edifier GM4 true wireless bluetooth gaming headset and JOWAY H96 true wireless bluetooth headset all adopt the original phase solution.

Two LED indicators.

Unictron's Bluetooth antennas are packaged in patches.

Connect the thimble of the touch patch.

The speaker unit close-up.

The speaker size is about 12mm, consistent with the publicity.

Disassemble the family portrait.

I love audio network summary

QCY T6 true wireless sports earphones come with ear hooks. The silicone material can ensure the comfort of wearing. The earphones support IPX5 waterproof and sweat proof, suitable for sports scenes. The overall appearance has changed greatly compared with the previous T series.

The charging box is a clamshell design. Due to the shape of the earphone, the charging box is relatively large. The charging box uses a Micro-USB interface for input power, built-in Microsource Semiconductor’s LP4069 high-voltage lithium battery charging IC, with a maximum withstand voltage of 28V, which can charge the charging box battery after the input power is stepped down; the charging box battery has a large capacity of 600mAh; battery output The current is boosted by Microsource Semiconductor LP6261 to charge the headset.

In the earphone part, the QCY T6 true wireless sports earphone adopts the original phase PAU1603FB-S1 Bluetooth audio SoC, supports Bluetooth 5.0, has the characteristics of fast switching between left and right ears, and low latency. Many products of the QCY T series use the original phase chip; the earphone adopts Yongye The technology's patch antenna sends and receives Bluetooth signals; the headset supports capacitive touch sensing; the headset battery capacity is 0.222Wh, and the speaker size is 12mm. These two configurations have been improved compared with the previous ones.

On the whole, QCY T6 true wireless sports headphones are more outstanding in the T series in terms of configuration, and are a good entry-level TWS sports headphones.