Baby Lock Serenity Serger
$3,299.00
The Baby Lock Serenity is a premium 2/3/4-thread serger designed to make professional seam finishing easier, faster, and more intuitive. Featuring RevolutionAir threading, Automatic Thread Delivery, digital speed control, needle up/down positioning, differential feed, a knee lift, and Baby Lock’s Snap-on Needle System, the Serenity removes much of the frustration traditionally associated with sergers.
Whether you’re constructing garments, sewing knits, finishing seams, creating rolled hems, or experimenting with decorative serging, the Serenity gives you premium Baby Lock technology in a streamlined 4-thread platform.
Our Price: $3,299
Description
Premium Serging Without the Traditional Frustration
The Baby Lock Serenity BLSS4 is built for sewists who want professional-looking serged finishes without constantly fighting with threading order, manual tension adjustments, or complicated setup.
Baby Lock combines its advanced air-threading system with Automatic Thread Delivery, digital speed control, needle positioning, differential feed, a knee lifter, and a Snap-on Needle System to make the machine easier to use from the very first project.
RevolutionAir Threading
Threading is often the biggest barrier for new serger owners.
The Serenity addresses that with RevolutionAir threading.
Baby Lock’s system helps thread both the needles and loopers, making setup dramatically easier and faster than traditional manual threading paths. Position the thread, engage the threading system, and use the push-to-thread function to send the thread through.
This is especially useful when:
Changing thread colors
Switching between projects
Rethreading after a break
Working with multiple stitch setups
Learning to use a serger for the first time
Automatic Thread Delivery
The Serenity uses Baby Lock’s Automatic Thread Delivery System instead of traditional manual tension adjustment.
That means you don’t need to constantly adjust tension dials every time you switch fabrics, threads, or stitch types.
Baby Lock also states that you don’t need to worry about threading order when selecting your stitch type.
For garment makers and frequent serger users, that saves a lot of trial and error.
Snap-on Needle System
Baby Lock’s Snap-on Needle System makes needle changes quicker and easier.
Instead of using a more traditional tool-based needle installation process, the Serenity is designed so needles can be inserted and changed with less effort.
That’s especially useful if you frequently switch between needle types for:
Knits
Wovens
Stretch fabrics
Lightweight fabrics
Specialty threads
Digital Speed Control
The Serenity gives you digital control over sewing speed.
With the touch of a button, you can adjust how fast the machine runs, and LED indicators show the selected speed setting.
This is valuable when:
Learning a new technique
Serging curves
Working with delicate fabrics
Sewing detailed areas
Transitioning from slow, controlled work to longer straight seams
Needle Up/Down Positioning
The Serenity includes a Needle Positioning Button so you can choose whether the needle stops in the up or down position.
Needle-down is particularly helpful when you want better control while positioning fabric, pivoting, or placing a single stitch exactly where you want it.
Differential Feed
The Serenity’s differential feed system gives you control over how the fabric feeds through the machine.
This helps prevent unwanted stretching or puckering when sewing:
Knits
Stretch fabrics
Lightweight fabrics
Bias-cut fabrics
Differential feed can also be intentionally adjusted to create gathering and specialty effects.
2/3/4-Thread Serging
The Serenity supports up to 4 threads and 2 needles, making it versatile enough for multiple overlock configurations.
That makes it well suited for:
Garment construction
Knit seams
Stretch seams
Seam finishing
Lightweight fabrics
Rolled hems
Decorative edging
Rolled Hem Capability
The Serenity includes built-in rolled-hem capability.
Rolled hems are ideal for:
Scarves
Napkins
Ruffles
Lightweight garments
Decorative edges
Home décor projects
Hands-Free Presser Foot Lift
The included knee lifter gives you hands-free control of the presser foot.
That lets you keep both hands on your project while lifting and lowering the foot, which is especially helpful when positioning fabric or navigating detailed areas.
Compact Overlock Table
Baby Lock’s patented Compact Overlock Table expands what you can do with specialty attachments and serger techniques.
The Serenity is compatible with a wide range of optional feet and attachments, including binders, hemmers, cording feet, elastic feet, ruffling feet, and more.
Bright LED Lighting
The Serenity includes 3 LED lights, giving you excellent visibility at the needle and cutting area.
Better lighting is especially helpful when working with:
Dark fabrics
Fine knits
Detailed seams
Decorative thread
KEY FEATURES & HIGHLIGHTS
Threading & Tension
RevolutionAir threading
Air-assisted needle threading
Air-assisted looper threading
Automatic Thread Delivery
No traditional tension adjustments
No threading-order concerns
Sewing Control
Digital speed control
LED speed indicators
Needle up/down positioning
Built-in thread cutter
Knee lifter
Hands-free presser foot lift
Serging Features
2/3/4-thread capability
Maximum 4 threads
2 needles
Differential feed
Built-in rolled hem
Two-thread overlock conversion
Maximum stitch width: 7.5mm
Maximum stitch length: 4mm
Convenience Features
Snap-on Needle System
Snap-on presser foot
3 LED lights
Compact Overlock Table
Magnetic accessory storage positions
Built-in accessory compartment
WHAT’S INCLUDED
The Baby Lock Serenity includes:
Baby Lock Serenity BLSS4 serger
Standard presser foot
Knee lifter
Foot control
Standard needles
Threading accessories
Accessory tools
Power cord
Instruction and reference guide
Quick reference threading guide
Built-in accessory storage




