ZK-TB22 50W*2+100W TPA3116D2 2.1 BT 5.1 Audio Amplifier Power Subwoofer AMP True Wireless Wuzhi Audio APP

Wuzhi Audio APP download link：

(This version of app is compatible with the operation of new products. Please download and update the app before using the product.)

http://www.qingdaowuzhi.cn/appdownload/Wuzhi_Audio.apk

Note:

It needs to be aembled by yours , and the material package is given ascrewdriver.

The suitable power supply of the product is DC power supply, and AC power supply is not allowed!

The color of the product may be slightly different from the picture due to the differences of light, angle and shooting equipment.

The product size is measured manually. Please allow slight deviation in the measurement data and e sure you don't mind.

Product features

1. The energy storage capacity is increased, 4700ufx2 + 470uf, and the sound produced by stereo and especially subwoofer is more solid.

2. Output LC filter, better filtering effect with thin film , quiet without noise, and better waveform reduction.

3. The volume of stereo and subwoofer can be adjusted separately, and the adjustment range is wider.

4. The new high-level BT chip is adopted, and the yzed audio delay is smaller and clearer.

5. Support the BT box matching function. After using the function, the two sets of power amplifiers can be paired into stereo.

6. Wuzhi Audio APP can support remote program update, which is convenient for upgrading and product function improvement.

7. Power down anti pop circuit is added to reduce pop noise.

8. Increase the heat sink to achieve better heat diipation effect.

Product s

Brand: Wuzhi Audio

Model: ZK-TB22

Name: 2.1 50Wx2+100W and subwoofer BT audio power amplifier

Amplifier chip: TPA3116D2

BT version: 5.1

BT nsmiion distance: 10m (if you need more distance, please connect external by yours)

Audio input: BT+AUX

Audio output: Left & Right 50W + Subwoofer 100W

Adaptive power supply: DC12-24V, ≥7A (Do not connect to AC)

Adaptive speaker:Left & Right 20-50W, 4-8Ω;

Subwoofer 20-100W, 4-8Ω

Volume control: The total volume, stereo volume and subwoofer volume are adjusted separately, with a wide range of adjustment;

Total volume with on

Click:play/pause

Double click:next

Three Click:select or cancel the box matching mode

Protection mechanism: Over temperature, over-current, short circuit, anti-static protection

Characteristic function: Support Wuzhi Audio APP. Modify BT name, paword setting, volume adjustment of prompt tone, on/off prompt tone, sleep music, upgrade, etc.

Box matching function, the true wirele function enablesthe two sets of speakers to be combined into left and right boxes, with a stronger sense of spatial positioning.

Size：121x100x26mm

Product weight：net weight 215g，weight with package 258g

Wuzhi Audio Voice of brand

born for music fever

Product highlights

① Energy storage : 4700ufx2 + 470uf capacitance is larger and sound is stronger

② Thin film : better filtering effect, quiet without noise, better waveform restoration

③ New BT de chip: better parsing

④ Larger heat sink: good heat diipation effect

Knob introduction

① Subwoofer volume

② Subwoofer frequency adjustment

③ Stereo volume

④ Stereo high pa frequency adjustment

⑤ Main volume

Multifunction on

Click:Play/Pause

Double click:Next

Three Click:Select or cancel the box matching mode

Short circuit output

Short circuit S1 and S2 stereo output Ba emphasi

The factory default is not short circuited, which is the normal mode. The stereo output does not include the ba part below 200Hz. If you want stereo output ba emphasis and full frequency output, you need to short connect two pads S1 and two pads S2.

Function introduction

① Power input (5.5x2.1DC plug)

② Reserved DC power supply terminal

③ Subwoofer

④ Left speaker

⑤ Right speaker

⑥ AUX input

⑦ Subwoofer volume

⑧ Subwoofer frequency adjustment

⑨ Stereo volume

⑩ Stereo high pa frequency adjustment

⑪ Main volume

Multifunction on

Click:Play/Pause

Double click:Next

Three Click:select or cancel the box matching mode

Wuzhi Audio APP Sleeping Music

Lullaby music allows you to return to nature, help you sleep, decompre and heal your body and mind. Wuzhi Audio APP has the function of regular shutdown.

10 natural sounds are Sound bowl, Stream, Wave, Sea wave, Thunderstorm, Bird song, Cry of insects, Frogs, Bonfire, Guqin, up to 1023 sound combinations.

10 kinds of natural sounds create unique natural sound scenes, create a natural atmosphere, quickly calm your mood and realize deep sleep.

Wuzhi Audio APP Function

Change BT name: The BT name of each product can be changed, and multe products can be easily identified.

Change BT paword: The BT connection paword can be modified to prevent others from hiing. This function can be turned off.

Adjust the volume of prompt tone: The volume of prompt tone can be adjusted to meet different needs of customers.

ON/OFF prompt tone: The prompt tone can be turned on or off.

Update.

Box matching function

interconnection

Two power amplifiers are used together

Introduction to box matching function and operation:

1.Turn on two power amplifiers of the same model.

2.Select a power amplifier at will, and pre the total volume knob with key function inwards three times. At this time, the red indicator fes, and the other power amplifier is automatically paired with it as a stereo combination. (if the pairing is not succeful within 15 seconds, the pairing mode will be canceled automatically. You can try again by preing the key three times.)

3.If the pairing is succeful, the selected one will be aigned to the left , and the red indicator will always be on. The other one is the right , and the red indicator will f slowly.

4.The next time you start the machine, you will automatically find the right box. If you want to cancel the box matching mode, you only need to select a power amplifier and pre the on three times.

Installation Diagram

① M2*3 screw

② Upper cover board

③ Knob

④ M2*20 copper ar

⑤ M2*3 screw

⑥ M2*3+3 copper ar

⑦ Lower cover board

⑧

⑨ Free

APP Setting Interface

BT name modification steps:

[enter a new BT name] → [click set on] → [system automatic restart] → [cancel pairing of mobile BT with the BT name] → [find a new BT name and re pair]

BT paword setting steps:

Method 1:

[turn on BT paword switch] →Use default paword 1111

Method 2:

[turn on BT paword switch] → [enter paword] → [click the setting on] → [the system will restart automatically] → [cancel pairing, and you will be prompted to enter paword when connecting again]

Pack form