Attributes

Brand	-
Category	Hardware & Tools / Sewing & Embroidery Machines
Origin	-
Brand	JACK
Model Number	A4C
Machine Type	Industrial Flatbed
Control System	Computerized Fully Automatic
Stitch Type	Lockstitch (Flat Stitch)
Max Sewing Speed	5000 SPM
Motor Type	Direct Drive Servo Motor
Power Supply	220V / 110V (Selectable)
Needle System	DBx1
Application	Home & Light Industrial Use

6 reviews

Anonymous

Mar 27, 2026

Rating: 4/5

Great value industrial machine

Solid build quality and very fast. The automatic thread trimmer works flawlessly. I took off one star because the manual could be more detailed for beginners, but overall a fantastic purchase.

Anonymous

Mar 20, 2026

Rating: 5/5

Best investment for small business

We use this in our small alteration shop. It handles denim and heavy fabrics without skipping stitches. The energy efficiency of the direct drive motor is also a nice bonus on our electric bill.

Anonymous

Mar 06, 2026

Rating: 4/5

Fast and reliable

Very happy with the speed and automation features. The knee lifter is responsive. Just ensure you have a sturdy table as it vibrates slightly at maximum speed, though nothing concerning.

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect upgrade for my home studio

I upgraded from a mechanical machine to this JACK A4C and the difference is night and day. The computerized controls make stitching consistent, and the servo motor is incredibly quiet. Highly recommend for serious hobbyists.

Anonymous

Mar 04, 2026

Rating: 5/5

Exceeded expectations

I was hesitant about buying an industrial model for home use, but the A4C is user-friendly. The digital panel makes adjusting stitch length and position effortless. Excellent product.

Anonymous

Mar 03, 2026

Rating: 5/5

Smooth and precise

The flatbed design gives me plenty of room for large projects like quilts and curtains. The stitch quality is professional grade. Setup was straightforward with the included tools.

5 FAQ

Q: What is the warranty period for this machine?

A: The JACK A4C comes with a standard 1-year warranty on the main motor and computer board. Mechanical parts usually have a 2-year warranty. Please retain your proof of purchase for any claims.

Q: Is the interface available in languages other than Chinese?

A: Yes, the computerized panel on the international version of the A4C supports multiple languages, including English, Spanish, and French. You can change the language setting in the system menu.

Q: How difficult is it to thread this machine?

A: While it is an industrial machine, the A4C features a clear threading path diagram. Once you learn the route, it is quite quick. The automatic needle threader function (if equipped on your specific sub-model) also simplifies the process significantly.

Q: Can this machine sew through thick leather?

A: The A4C is designed for light to medium-heavy fabrics including denim, canvas, and thin leather. For very thick or multiple layers of heavy leather, a specialized heavy-duty post-bed machine might be more suitable.

Q: Does this machine come with a table and motor included?

A: Yes, the JACK A4C package typically includes the sewing head, the direct drive servo motor, and the control panel. The table is often sold separately or as part of a specific bundle, so please check the specific listing details before purchasing.

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