Description
Jack A4 Computerized Lockstitch Machine
Good-looking
German Design, Unique and Perfect
Speaker
Each Button has Voice Reminder, Each Operation has Voice Guide.
Easy to learn
Easy to use
Operation Panel is Easy to Understand, No Need to Afraid of the Parameters.
For heavy and light fabric
Enlarge the sewing range, suitable for various kinds of fabrics such as Jeans and Yarn.
USB port
Advanced USB Port for Charging Cell Phone, Cooling Fan, also can be used to Upgrade Software.
Cooling fan
Cooling fan greatly decreases the temperature of motor, extend the lifetime of machine.
User-Friendly design
Half Stitch, Back Stitch and LED Light Button Easy to Operate.
Integrated system
clean and safety
All connectors and plugs of the control box is well located.
Technical Information
| Model Number | A4 | A4-H | A4-7 | A4-7H |
|---|---|---|---|---|
| Needle | DBx1 11-18# | DPx5 18-21# | DBx1 11-18# | DP×5 18-21# |
| Thread Number | 1 | 1 | 1 | 1 |
| Stitch Length（mm） | 5 | 5 | 7 | 7 |
| Height of Presser Foot（mm） | 5-13 | 5-13 | 5-13 | 5-13 |
| Sewing Speed（S.p.m） | 5000 | 3500 | 3500 | 3500 |
| Auto Matic Presser Lifting | Standard | Standard | Standard | Standard |
| Eletronic Tension Post | Standard | Standard | Standard | Standard |
| Thin Material | – | – | – | – |
| Medium-heavy Material | √ | – | √ | – |
| Heavy Material | – | √ | – | √ |
| Volume（mm） | 645*248*550 | 645*248*550 | 645*248*550 | 645*248*550 |
| Weight(kg) | 40/46 | 40/46 | 40/46 | 40/46 |
