Products

Suppliers

Filter Gallery
74,591

Audio Module

Products
Switch Plate Wireless Transmitter Pcba Circuit Wireless Module RF Module Sound Chip

Sorry! No matches were found.

Edge Msk-13 2.4 GHz Audio Module Snap-in Wireless Music-Sharing Kits

Edge Msk-13 2.4 GHz Audio Module Snap-in Wireless Music-Sharing Kits

500 Pieces (MOQ)
More
Main Products: Car Audio Accessories, Bluetooth Controller, Amplifier, Bluetooth Speaker, Wiring Kits
Contact Supplier
Audited Supplier
Avs (Ningbo) Industrial Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
Chat Now Send Inquiry
Electronic Components Integrated Circuits IC Chips Rx5808 V3.3 Receiver Module Wireless Audio Video 5.8g Spi Control for Fpv

Electronic Components Integrated Circuits IC Chips Rx5808 V3.3 Receiver Module Wireless Audio Video 5.8g Spi Control for Fpv

US $ 10.98-18.93 / Piece FOB
10 Pieces (MOQ)
More
Certification : RoHS
Contact Supplier
Audited Supplier
Shenzhen Sinosky Electronics Co., Ltd.

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
480X272 4.3 - Inch TFT with Audio Output Support LCD Display Module

480X272 4.3 - Inch TFT with Audio Output Support LCD Display Module

US $ 5.33-8.7 / Piece FOB
2 Pieces (MOQ)
More
Main Products: LCD Display, LCD Module, LCD Screen, LCD Panel, Liquid Crystal Display, TFT LCD Display, TFT LCD, Monochrome LCD Display, Backlight
Contact Supplier
Audited Supplier
Shenzhen Hzy Photoelectric Technology Co., Ltd.

Guangdong, China Since 2020
Chat Now Send Inquiry
Fpv Drone 5.8g 10W Vtx 80CH 10W 7W 5W 3W 1W Power Fpv Vtx Audio Video Transmission Module

Fpv Drone 5.8g 10W Vtx 80CH 10W 7W 5W 3W 1W Power Fpv Vtx Audio Video Transmission Module

US $ 159.85 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Shenzhen Xingkai Technology Co., Ltd

Guangdong, China Since 2023
Chat Now Send Inquiry
0.96" Serial White OLED Display Module High Quality for Car Audio

0.96" Serial White OLED Display Module High Quality for Car Audio

US $ 0.5-1.5 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: LCD Display, TFT LCD Display, LCD Module Display, OLED Display, COB LCD Display, Cog LCD Display, Buzzer, Other Electronic Materials
Contact Supplier
Audited Supplier
Dongguan Bibuke Electronic Technology CO.,LTD

Guangdong, China Since 2014
Chat Now Send Inquiry
Tda2030A Audio Amplifier Module

Tda2030A Audio Amplifier Module

US $ 0.54-0.59 / Piece FOB
10 Pieces (MOQ)
Contact Supplier
Audited Supplier
Shenzhen Ke Zhi You Technology Co., Ltd.

Guangdong, China Since 2018
Chat Now Send Inquiry
PRO Audio PA System Sound-Speaker DSP Active Power Amplifier Module

PRO Audio PA System Sound-Speaker DSP Active Power Amplifier Module

US $ 150-260 / Piece FOB
1 Piece (MOQ)
More
Main Products: Audio Power Amplifier, Active or Passive Line Array System, Professional Audio, Class-D amplifier, Active Audio Modules, DJ Equipments
Contact Supplier
Audited Supplier
Sanway Audio Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
Airborne MIMO Drone Vtol audio data link airborne communication system RC Module

Airborne MIMO Drone Vtol audio data link airborne communication system RC Module

US $ 2,500-3,000 / Piece FOB
2 Pieces (MOQ)
More
Usage : Telephone, Computer, Workstation, Server, Mobile phone, Laptop
Contact Supplier
Audited Supplier
Radioforce Technologies Co., Ltd

Guangdong, China Since 2025
Chat Now Send Inquiry
BL-M8800DS5-L WiFi Module provides stable PCM interface supports UART debugging suitable for audio processing and development purposes

BL-M8800DS5-L WiFi Module provides stable PCM interface supports UART debugging suitable for audio processing and development purposes

US $ 2.99-4.99 / Piece FOB
1 Piece (MOQ)
More
Main Products: Wireless Router, Wireless Adapter, Wireless Module
Contact Supplier
Audited Supplier
Shenzhen Bilian Electronic Limited

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Tda2030A Audio Amplifier Module Power Amplifier Module

Tda2030A Audio Amplifier Module Power Amplifier Module

US $ 0.3-0.4 / Piece FOB
100 Pieces (MOQ)
Contact Supplier
Audited Supplier
Changzhou Eagle International Trade Corp.

Jiangsu, China Since 2004
Chat Now Send Inquiry
High-Performance Cc2541 Bluetooth Audio Receiver Module for Streaming

High-Performance Cc2541 Bluetooth Audio Receiver Module for Streaming

US $ 0.5-2.99 / pieces FOB
1 pieces (MOQ)
More
Main Products: OEM/ODM PCB+PCBA+Chip, Wire Harness OEM/ODM, Connector OEM/ODM, PCB Board OEM/ODM, PCBA OEM/ODM, Electronic Components IC Chips,Plastic Injection OEM/ODM, 3D printing OEM/ODM, Metal CNC OEM/ODM
Contact Supplier
Audited Supplier
Guangdong Global Well Electronic Limited

Guangdong, China Since 2024
Chat Now Send Inquiry
G950-1050/50 GaN Ldmos Class D Board Digital High Audio RF Power Amplifier Module

G950-1050/50 GaN Ldmos Class D Board Digital High Audio RF Power Amplifier Module

US $ 120 / Piece FOB
1 Piece (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier
Fujian Jiefei Hou Science and Technology Co., Ltd.

Fujian, China Since 2024
Chat Now Send Inquiry
Related Searches
Wireless Video Transmitter Wireless Receiver Module Video Wall Plate Wholesale Audio Module Usb Audio Module Bluetooth Audio Module
Communication Module Amplifier Professional Audio LCD Module Signal Jammer Emission Transmission Equipment
Plc Communication Module Smart Meter Communication Module Modbus Communication Module Esp32 Bluetooth Module Hermes Communication Module Lora Communication Module
300W+80W Digtal Audio Power Amplifer Module PDA400

300W+80W Digtal Audio Power Amplifer Module PDA400

US $ 25 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Aluminum Foil, Heat Shrinkable Tube, Aluminum Case, Etched Aluminum Foil, Masking Tape, Pet Film, Rubber Seal, Con Paper for Electrolytic Capacitor, Tab Anode Foil, Semi-Conductor Device
Contact Supplier
Audited Supplier
Ninghai County Chalu Jinbaili Daily Necessities Store

Zhejiang, China Since 2016
Chat Now Send Inquiry
Professional Audio Analog Power Amplifier PCB Module Sample Customization OEM ODM

Professional Audio Analog Power Amplifier PCB Module Sample Customization OEM ODM

US $ 120-760 / Piece FOB
5 Pieces (MOQ)
More
Layers : Double-Layer
Contact Supplier
Audited Supplier
Dongguan Sunhyor Audio Technology Co., Ltd

Guangdong, China Since 2022
Chat Now Send Inquiry
New Arival Zero Audio Noise Acdc Power Module 30kw Liquid Cooling EV Charger Module for DC Fast Charging Station

New Arival Zero Audio Noise Acdc Power Module 30kw Liquid Cooling EV Charger Module for DC Fast Charging Station

US $ 3,950-4,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: EV Charger, EV Charging Station, Power Module, EV Charging Module, Energy Storage System, Battery Cube, Power Cube
Contact Supplier
Audited Supplier
Shenzhen Infypower Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
Chat Now Send Inquiry
Smart Electronics Isd1820 Voice Recording Recorder Module with Mic Sound Audio Loudspeaker

Smart Electronics Isd1820 Voice Recording Recorder Module with Mic Sound Audio Loudspeaker

US $ 1.08-3.99 / Piece FOB
10 Pieces (MOQ)
More
Conductive Type : Unipolar Integrated Circuit
Contact Supplier
Audited Supplier
Shenzhen Jin Da Peng Technology Co., Ltd.

Trading Company

Guangdong, China Since 2016
Chat Now Send Inquiry
Electronic Components Stk Series Stk4191II Audio Power Amplifier Module

Electronic Components Stk Series Stk4191II Audio Power Amplifier Module

US $ 0.0001-0.1 / Piece FOB
1 Piece (MOQ)
More
Main Products: IC, Resistor, Capacitor, Sensor, Transistor, Diode, Triode, Passive Components, Drive IC, PCBA
Contact Supplier
Audited Supplier
ShenZhen Nova Semiconductor Co., Ltd.

Guangdong, China Since 2021
Chat Now Send Inquiry
Raspberry Pi 5 Argon Blstr Dac Audio Module with Ground Loop Isolator Extension Board (add-on for Argon ONE V3 Only)

Raspberry Pi 5 Argon Blstr Dac Audio Module with Ground Loop Isolator Extension Board (add-on for Argon ONE V3 Only)

US $ 23.98-28.98 / pieces FOB
10 pieces (MOQ)
More
Certification : CE
Contact Supplier
Audited Supplier
Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Fsan 4MP T31n Human Detection CMOS IP Camera Module PCBA Board with 2-Way Audio Smart IR/Dual/Warm Light for Security Camera

Fsan 4MP T31n Human Detection CMOS IP Camera Module PCBA Board with 2-Way Audio Smart IR/Dual/Warm Light for Security Camera

US $ 4.29-4.5 / PCS FOB
2 PCS (MOQ)
More
Main Products: Thermal Camera, NVR, IPC Camera, PTZ Camera, Smart AI Camera
Contact Supplier
Audited Supplier
Shenzhen FSAN Intelligent Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
Best Selling USB to 5.1 Sound Card, USB to 3D Audio Sound and Speakers Output Sound Module

Best Selling USB to 5.1 Sound Card, USB to 3D Audio Sound and Speakers Output Sound Module

US $ 0.39-0.45 / Piece FOB
100 Pieces (MOQ)
More
Interface : USB
Contact Supplier
Audited Supplier
Shenzhen Anera Tech Company Limited

Guangdong, China Since 2023
Chat Now Send Inquiry
Related Videos
  • What is Electronic Components Integrated Circuits IC Chips Rx5808 V3.3 Receiver Module Wireless Audio Video 5.8g Spi Control for Fpv
    What is Electronic Components Integrated Circuits IC Chips Rx5808 V3.3 Receiver Module Wireless Audio Video 5.8g Spi Control for Fpv
    US $ 10.98-18.93 /Piece
    10 Pieces (MOQ)
    Contact Supplier
  • What is 480X272 4.3 - Inch TFT with Audio Output Support LCD Display Module
    What is 480X272 4.3 - Inch TFT with Audio Output Support LCD Display Module
    US $ 5.33-8.7 /Piece
    2 Pieces (MOQ)
    Contact Supplier
  • What is Fpv Drone 5.8g 10W Vtx 80CH 10W 7W 5W 3W 1W Power Fpv Vtx Audio Video Transmission Module
    What is Fpv Drone 5.8g 10W Vtx 80CH 10W 7W 5W 3W 1W Power Fpv Vtx Audio Video Transmission Module
    US $ 159.85 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is 0.96" Serial White OLED Display Module High Quality for Car Audio
    What is 0.96" Serial White OLED Display Module High Quality for Car Audio
    US $ 0.5-1.5 /Piece
    1,000 Pieces (MOQ)
    Contact Supplier
Greeting Card Voice Module with Slide Switch to Play Birthday Wishes Audio

Greeting Card Voice Module with Slide Switch to Play Birthday Wishes Audio

US $ 2 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Sound Module, Voice Recorder, Video Brochure, Sound Chip, LED Flashing Module for POS, Musical Greeting Cards, Video Module, Musical Bottle Opener, Musical Postcards, DC Motor for Pop Dispay
Contact Supplier
Audited Supplier
Dongguan AST Industry Co., Ltd.

Guangdong, China Since 2010
Chat Now Send Inquiry
Customizable RF High Power GaN 50W System Anti Drone Module for WiFi Signal Audio Jammer Blocker

Customizable RF High Power GaN 50W System Anti Drone Module for WiFi Signal Audio Jammer Blocker

US $ 171-186 / pieces FOB
1 pieces (MOQ)
More
Usage : Telephone, Computer, Workstation, Server, Mobile phone
Contact Supplier
Audited Supplier
Shenzhen Longyuan Technology Co., Ltd.

Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Bluetooth 5.0 Bluetooth Stereo Audio Decoder Board Modules Wide Voltage Adjustable Volume Speaker Amplifier Xy-Wrbt

Bluetooth 5.0 Bluetooth Stereo Audio Decoder Board Modules Wide Voltage Adjustable Volume Speaker Amplifier Xy-Wrbt

US $ 1.8-1.89 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Digital Voltmeter Ammeter, Oximeter Blood Oxygen Monitor, Communication Network, Raspberry Pi, Orange Pi, ARDUINO, Wifi Module, Electronic Components, 3D PRINTER
Contact Supplier
Audited Supplier
Sunhokey Electronics Co., Ltd.

Trading Company

Guangdong, China Since 2019
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Audio Module FAQ
  • QHow do I ensure the reliability of communication module manufacturers in China?

    Our Audio Module offers exceptional quality and style within the Communication Module category.To ensure the reliability of manufacturers in China, conduct thorough research, verify certifications, request client references, and inspect production facilities if possible. Choosing a reputable supplier recognized for high-quality communication modules is crucial for a successful partnership.

  • QWhat benefits can I gain from purchasing communication modules wholesale for production?

    The Audio Module is classified under our comprehensive Communication Module range.Purchasing communication modules wholesale can provide cost savings, bulk purchasing options, and consistency in product quality and performance. Buyers can also enjoy dedicated customer support, tailored solutions, and partnership benefits from trusted suppliers.

  • QWhat type of communication protocols do communication modules support?

    Our Audio Module offers exceptional quality and style within the Communication Module category.Communication modules typically support protocols such as Wi-Fi, Bluetooth, RFID, and LoRa. Consult with a professional supplier for guidance on selecting the best communication module based on your specific project needs and budget constraints.

New Arrival Realtek RTL8832AU-CG LB-LINK M8832AU1 2T2R 802.11a/b/g/n/ac/ax WiFi6 Module usb3.0 With IPEX Half Hole 31Pins wireless module for Pet audio system

New Arrival Realtek RTL8832AU-CG LB-LINK M8832AU1 2T2R 802.11a/b/g/n/ac/ax WiFi6 Module usb3.0 With IPEX Half Hole 31Pins wireless module for Pet audio system

US $ 12-15 / Piece FOB
100 Pieces (MOQ)
More
Work Mode : AP+STA
Contact Supplier
Audited Supplier
Shenzhen Bilian Electronic Limited

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
BLE4.0 CSR8635 Bluetooth Audio Module for Hands-Free Phone

BLE4.0 CSR8635 Bluetooth Audio Module for Hands-Free Phone

US $ 0.1-0.5 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, PCBA, Component Chip
Contact Supplier
Audited Supplier
Shenzhen New Chip international Ltd

Manufacturer/Factory & Trading Company

Guangdong, China Since 2022
Chat Now Send Inquiry
Intelligent 12MP Network Two Way Audio Infrared CCTV Video Cam H. 265/H. 264 Poe Bullet Dome IP Camera Board Module

Intelligent 12MP Network Two Way Audio Infrared CCTV Video Cam H. 265/H. 264 Poe Bullet Dome IP Camera Board Module

US $ 105-125 / Piece FOB
5 Pieces (MOQ)
More
Effective Distance : ≧30m
Contact Supplier
Audited Supplier
Veacam Electronics Co., Ltd

Guangdong, China Since 2023
Chat Now Send Inquiry
high throughout handheld body worn tactical long range audio data link communication module

high throughout handheld body worn tactical long range audio data link communication module

US $ 5,000-7,000 / Piece FOB
2 Pieces (MOQ)
More
Main Products: IP Mesh Radio, Video Link Wireless Transmitter & Receiver, Wireless Communication Module, HD Video Transmission, Data Link Solution, End User Device, Wireless Datalink, SDR Mesh Radio Repeater, Wireless Video Transmitter, Manet Radio
Contact Supplier
Audited Supplier
Radioforce Technologies Co., Ltd

Guangdong, China Since 2025
Chat Now Send Inquiry
Fp14000 2 Channel Audio Kit High Power Amplifier Module

Fp14000 2 Channel Audio Kit High Power Amplifier Module

US $ 556-560 / Piece FOB
1 Piece (MOQ)
More
Used For : Professional
Contact Supplier
Audited Supplier
Guangzhou Xinbaosheng Audio Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2016
Chat Now Send Inquiry
4.9g 1.6W Vtx 8CH (4990MHz-5200MHz) Audio /Video Transmitter Module for Fpv Drone RC Cars

4.9g 1.6W Vtx 8CH (4990MHz-5200MHz) Audio /Video Transmitter Module for Fpv Drone RC Cars

US $ 47.92 / Piece FOB
1 Piece (MOQ)
More
Main Products: Mimos Mesh WiFi Mesh Networks MIMO Mesh Systems, Definition Cofdm Video Transmitter, RF Tactical Radio Communication Video Radio Link, Ptt Military Wireless Mesh Network, Flight Controller RC Telemetry Video Data Link, Drone Shield Drone Detection RF Power Amplifier, Anti Drone System Counter Uav System Counter, Drone Shop Uav Drones for Sale Vtol Uav, Quadcopter Unmanned Aerial Vehicle Helicopter, Long Range RC Drone
Contact Supplier
Audited Supplier
Shenzhen Xingkai Technology Co., Ltd

Guangdong, China Since 2023
Chat Now Send Inquiry
Good Performance Factory Customized Electronics Electrical PRO Audio Analog Digital Line Array Active Line Array Speaker Power Amplifier PCB Modules

Good Performance Factory Customized Electronics Electrical PRO Audio Analog Digital Line Array Active Line Array Speaker Power Amplifier PCB Modules

US $ 120-760 / Piece FOB
5 Pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier
Dongguan Sunhyor Audio Technology Co., Ltd

Guangdong, China Since 2022
Chat Now Send Inquiry
Max9857 Audio Amplifier Module for Raspberry Pi Development Board

Max9857 Audio Amplifier Module for Raspberry Pi Development Board

US $ 4.4 / Piece FOB
1 Piece (MOQ)
More
Main Products: IC Chip, Integrated Circuit, Inductor, PCBA, Light Emitting Diode, Field Effect Transistor, SMD, Relay, Resistors, Modules
Contact Supplier
Audited Supplier
Shenzhen Junbo Trading Co., LTD

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Tda2030A Amplifier Module Audio Power Amplifier Module

Tda2030A Amplifier Module Audio Power Amplifier Module

US $ 0.74-0.75 / Piece FOB
1 Piece (MOQ)
More
Integration : ULSI
Contact Supplier
Audited Supplier
Shenzhen Jin Da Peng Technology Co., Ltd.

Trading Company

Guangdong, China Since 2016
Chat Now Send Inquiry
Video Transmitter 1.3G 1.2g 8CH 800MW Audio Video Fpv Transmitter Receiver Module 7-36V for Long Range Airplane Fpv Drone Vtx

Video Transmitter 1.3G 1.2g 8CH 800MW Audio Video Fpv Transmitter Receiver Module 7-36V for Long Range Airplane Fpv Drone Vtx

US $ 37.9-42.5 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Smart Card, RFID Card, RFID Tag, NFC Tag, RFID Sticker, RFID Keyfob, RFID Wristband, RFID Blocking Card, RFID Reader, NFC Reader
Contact Supplier
Audited Supplier
Shenzhen A. N. G Technology Co., Ltd.

Guangdong, China Since 2016
Chat Now Send Inquiry
Hi3516EV300 5MP Camera Module Imx335 Embedded Linux Audio and Video Development Board

Hi3516EV300 5MP Camera Module Imx335 Embedded Linux Audio and Video Development Board

US $ 28-60 / Piece FOB
1 Piece (MOQ)
More
Certification : CE, ISO
Contact Supplier
Audited Supplier
Wuhan Xstrive Technology Limited

Manufacturer/Factory & Trading Company

Hubei, China Since 2025
Chat Now Send Inquiry
Image Transmission Module Rx3364 Wireless Audio and Video

Image Transmission Module Rx3364 Wireless Audio and Video

US $ 26.98-35.14 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Integrated Circuits, Semiconductor, Transistor, Relays, Connector, Capacitor, Resistor, Switch, Module, LED Diode
Contact Supplier
Audited Supplier
Shenzhen Sinosky Electronics Co., Ltd.

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
Panasonic Wireless Audio Transceiver Module with WiFi and Bluetooth

Panasonic Wireless Audio Transceiver Module with WiFi and Bluetooth

US $ 0.5-2.99 / pieces FOB
1 pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier
Guangdong Global Well Electronic Limited

Guangdong, China Since 2024
Chat Now Send Inquiry
View More

Related Searches

Bluetooth Module Audio Wireless Audio Receiver Module Wireless Transmitter Module Receiver Module Fiber Optic Wireless Transmission Module Wireless Audio Module Audio Wall Plate Wireless Speaker Module Mp3 Circuit Board Wireless AV Transmitter

You may also like

Audio Power Audio Part Audio Wire Electric Power Module Temperature Module Single Module

Browse by Categories

Home > Electrical & Electronics > Telecommunication & Broadcasting > Communication Module > Plc Communication Module
1/834
TOP

Search Filter

Categories

More Less
  • Communication Module
  • Amplifier
  • Professional Audio
  • LCD Module
  • Signal Jammer
  • Emission Transmission Equipment
  • RF Remote Control
  • PCBA
  • Drone Accessories
  • Sound Module

Effective Distance

More Less
  • ≧30m
  • 10-30m
  • 0-9m

Feature

More Less
  • High Definition
  • Mini Size
  • Auto BLC
  • Waterproof / Weatherproof
  • Vandal-proof

Remote Control

More Less
  • With Remote Control
  • Without Remote Control

Sensor

More Less
  • CMOS
  • CCD

Sensor Size

More Less
  • 1/3 inch
  • 1/4 inch

Company Type

More Less
  • Trading Company
  • Manufacturer/Factory
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Guangdong
  • Zhejiang
  • Jiangsu
  • Shandong
  • Shanghai
  • Anhui
  • Fujian
  • Beijing
  • Henan
  • Shaanxi
  • Hubei
  • Tianjin
  • Hunan
  • Sichuan
  • Hebei
  • Hongkong S.A.R.
  • Jiangxi
  • Chongqing
  • Yunnan
  • Hainan
  • Liaoning
  • Shanxi
  • Jilin
Reset Done