Spectra at 1 Natural Way

Spectra breast pumps, through insurance.

Spectra is the Korean brand that brought hospital-strength suction to the insurance-covered tier. Spectra Baby Korea has been in breast-pump R&D since 1999; the US distributor, Spectra Baby USA, was founded in 2011 by Heidi Humphries, a former NICU RN. All electric Spectra pumps are still manufactured in Korea and sold in 26+ countries.

The Spectra reputation among lactation consultants is built on one specific thing: the S1 and S2 Plus pull at 270 mmHg — true hospital-strength suction — at the fully covered tier. Most insurance-covered pumps don't hit that number, and most moms need it to maintain or build supply. Add Spectra's Natural Nursing Technology (a combination of vibration and suckling action that mimics a baby's nursing rhythm) and a true closed-system design across the line, and you have the brand most IBCLCs point new moms to first.

In 2026 the Spectra lineup at 1 Natural Way includes five pumps: the plug-in S2 Plus (the volume insurance SKU), the portable S1 Plus (S2 + battery), the new Premier Wearable (Spectra's first true in-bra wearable at 280 mmHg), the 0.5-lb 9 Plus portable, and the Synergy Gold Portable with dual independent motors. The S2 Plus is still the single most-distributed insurance-covered pump in the category.

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All models

Spectra breast pumps
available through 1 Natural Way.

From verified customers

What moms are saying
about Spectra.

5.0

I love that it has a built in light for those late night pump sessions and is very light weight to bring around the house with me. I started out my pumping journey using wearables because I didn’t want to be tethered down, but now (purchases 8wk pp) I prefer my Spectra! The settings are easy to use and start out gentle if you’re sensitive (like I am) and have enough levels that anyone can find something comfortable. I paired this pump with the Legendairy Milk collection cups and it’s the best!

Pamela S

Spectra S1 Plus

5.0

Extremely comfortable, stable and strong suction just as good as Spectra’s hospital grade pumps! I’ve seen a few complaints about it being big, but it doesn’t have a big profile, it’s just longer than typical wearables. I have the Spectra S1 and the Spectra S2 and I love this Spectra Premier just as much! I also have the Momcozy S9 Pro and I’m not a fan of it at all this pump is much better, fits better in my bra, pump parts are easier to clean and it’s much more comfortable!

Cypress M

Spectra Premier Wearable

5.0

As a first time momma, 1 Natural Way was a delight to use! Very user friendly, customer service was helpful and communication was smooth. I received my breast pump much quicker than expected! 10/10 would recommend

Chelsea H

Spectra S2 Plus

5.0

Great Breast Pump!

Olivia K

Spectra S2 Plus

5.0

This pump has definitely helped my supply. I recommend it to every mother struggling to build their supply.

Sabrina G

Spectra S2 Plus

5.0

This pump makes it so easy to pump on the go. I don't have to be near a plug to use it so it is super beneficial.

Brooklynne S

Spectra S1 Plus

5.0

Absolutely perfect for getting my milk supply for my twin boys

Isabella R

Spectra S2 Plus

5.0

This pump is great! The suction helps with emptying your breast fully giving you more milk than a wearable pump! It’s super easy to use and all the parts comes apart easily to clean.

Payton B

Spectra S2 Plus

5.0

This is amazing!

Ashley M

Spectra S1 Plus

5.0

My favorite! Not being glued to the walled for 15-20 min! Able to go some things on the go.

Lanna W

Spectra S1 Plus

5.0

Literally the best pump ever!!!

Genevieve O

Spectra S2 Plus

5.0

Awesome product!

Katana T

Spectra S1 Plus

Which one is right for you?

A closer look
at each model.

Here's the breakdown so you can find the model that fits your life.

Spectra Premier Wearable

Pump hands-free, quietly, and effectively with the Spectra® Premier Wearable Breast Pump a hospital-strength pump designed for busy moms who need both performance and freedom. With discreet, in-bra mobility and powerful suction up to 280 mmHg, this compact pump helps you express milk comfortably at home, at work, or on the go.

Choose from 5 massage levels, 5 expression levels, and 3 customizable rhythms that mimic your baby's natural nursing pattern. Express directly into the included BPA- and DEHP-free containers, then feed baby with the included slow-flow nipple or store milk safely in the fridge or freezer. The Spectra Premier is a complete system that makes pumping, storing, and feeding as seamless as possible all in one device.

Key specs 280 mmHg max suction · 120 Minutes battery · 4 fluid ounces capacity · None app

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Spectra Synergy Gold Portable

Spectra's Synergy Gold breast pump is now portable and rechargeable. Making pumping on the go easy for moms. The dependability of Spectra with the convenience of on the go features. Featuring dual motors, the Synergy Gold lets you adjust the settings for each breast independently, so you can achieve optimal productivity and comfort. This new technology is perfect for moms who struggle to get efficient expression from both breasts, as well as exclusive pumpers who need to maximize productivity during every pumping session on the go.

Like all Spectra pumps, the Synergy Gold features Natural Nursing Technology - vacuum patterns that mimic a baby's suckling to feel more like natural breastfeeding. It also delivers the other qualities that moms love about Spectra - ultra quiet operation, hospital strength, numerous settings and a handy night light!

The parts and accessories of the Synergy Gold are interchangeable with other Spectra breast pumps, and also carries Spectra's fantastic 2-year warranty.

The Spectra Synergy Gold is powered by a 12-Volt AC power adapter, as well as a built-in rechargeable battery.

Key specs 270 mmHg max suction · 120 Minutes battery · 5 fluid ounces capacity · None app

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Spectra S2 Plus

Moms who want an affordable but feature-rich pump will love the Spectra S2 Plus. Powerful suction and highly customizable settings maximize the efficiency of your pumping sessions - while still offering quiet and soothing pumping. A more efficient breast pump means less time pumping and more time to spend on baby and the million other things you do!

The S2 Plus (like all Spectra pumps), features Spectra’s Natural Nursing Technology. This special group of features makes pumping a more natural part of the nursing process, bringing you confidence and comfort during each moment of your breastfeeding journey. Customize the flexible settings to your unique needs for greater comfort and production, and use the night light for midnight sessions.

Key specs 270 mmHg max suction · NA battery · 5 fluid ounces capacity · None app

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Spectra S1 Plus

Life doesn't stop when you have to pump. Hospital strength but whisper quiet, the Spectra S1 Plus breast pump has a built-in rechargeable battery - giving you the ability to pump anytime and anywhere. Portable, powerful and peaceful, it’s an excellent choice for exclusive pumpers and moms returning to the workplace!

The Spectra S1 Plus is loved by both moms and lactation consultants worldwide. Like all Spectra breast pumps, it features Natural Nursing Technology. These special features make pumping a more natural part of the nursing process, giving you confidence and comfort throughout your breastfeeding journey. Customize the flexible settings to your unique needs for greater comfort and production and use the night light for midnight sessions.

Key specs 270 mmHg max suction · 180 Minutes battery · 5 fluid ounces capacity · None app

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Spectra 9 Plus

The smallest pump we offer, the Spectra 9 Plus breast pump brings portability and performance together in one sleek little pump. Small, discreet, rechargeable, and weighing only half a pound, the hands-free* 9 Plus is a great choice for moms who need to pack light and pump discreetly. In fact, it’s so tiny and light, it can fit in the smallest of bags.

The Spectra 9 Plus (like all Spectra pumps), features Natural Nursing Technology, a collection of special features that make pumping a more natural part of the nursing process. Spectra’s goal is to bring confidence and comfort to every moment of the breastfeeding journey. This half-pound breast pump packs a lot into its tiny size, offering very customizable settings, great suction and an easy-to-read display.

* This breast pump requires a pumping bra to be completely hands-free (bra holds breast shields and collection bottles in place).

Key specs 260 mmHg max suction · 150 Minutes battery · 5 fluid ounces capacity · None app

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What sets the lineup apart

Features moms love about Spectra breast pumps.

True hospital-strength suction — fully covered by insurance

The S2 Plus and 9 Plus both pull at 260–270 mmHg hospital-strength suction, and both are fully covered on most insurance plans 1NW works with. Most other pumps at the fully covered insurance tier top out around 220–240 mmHg.

Natural Nursing Technology

Spectra's signature combination of gentle vibration and suckling action, intended to mimic a baby's natural nursing rhythm (which is mechanically different from straight vacuum cycling). Present on the S1 Plus, S2 Plus, 9 Plus, and Synergy Gold lineup.

True closed-system design across the line

Every Spectra electric pump is a true closed system, with a physical barrier (backflow protector + duckbill valve) between the milk and the tubing/motor. The tubing doesn't need cleaning under normal use — replace the valves and backflow membranes on schedule and you're set.

Synergy Gold's dual independent motors

The Synergy Gold Portable is the only consumer pump that lets you set different suction strength and cycle speed on each breast simultaneously — meaningful for moms with asymmetrical supply, oversupply on one side, or recovering from mastitis or plugged ducts.

CaraCups ecosystem

Spectra sells in-bra collection cups (24mm / 28mm, 250 mL each) that convert any Spectra pump into a hands-free wearable setup — giving the brand a wearable story even on the traditional-pump SKUs. Pair the 9 Plus with CaraCups and you've got wearable-style pumping at the fully covered tier.

Side-by-side

Spectra pump
comparison chart.

Not sure which Spectra model is right for you? This comparison covers the key specs across every model available at 1 Natural Way.

Feature	Spectra Premier Wearable	Spectra Synergy Gold Portable	Spectra S2 Plus	Spectra S1 Plus	Spectra 9 Plus
Type	Double Electric Breast Pump	Double Electric Breast Pump	Double Electric Breast Pump	Double Electric Breast Pump	Double Electric Breast Pump
Max suction	280 mmHg	270 mmHg	270 mmHg	270 mmHg	260 mmHg
Modes / levels	Suction (5 Levels) & Expression (5 Levels)	Expression (12 Levels) & Massage (5 Levels)	Expression (10 Levels) & Massage (5 Levels)	Expression (10 Levels) & Massage (5 Levels)	Expression (10 Levels) & Massage (5 Levels)
Battery life	120 Minutes	120 Minutes	NA	180 Minutes	150 Minutes
Charge time	150 Minutes	240 Minutes	NA	180 Minutes	180 Minutes
Milk capacity	4 fluid ounces	5 fluid ounces	5 fluid ounces	5 fluid ounces	5 fluid ounces
App control	None	None	None	None	None
HSA/FSA eligible	Yes	Yes	Yes	Yes	Yes

Spectra Premier Wearable

Type: Double Electric Breast Pump
Max suction: 280 mmHg
Modes / levels: Suction (5 Levels) & Expression (5 Levels)
Battery life: 120 Minutes
Charge time: 150 Minutes
Milk capacity: 4 fluid ounces
App control: None
HSA/FSA eligible: Yes

Spectra Synergy Gold Portable

Type: Double Electric Breast Pump
Max suction: 270 mmHg
Modes / levels: Expression (12 Levels) & Massage (5 Levels)
Battery life: 120 Minutes
Charge time: 240 Minutes
Milk capacity: 5 fluid ounces
App control: None
HSA/FSA eligible: Yes

Spectra S2 Plus

Type: Double Electric Breast Pump
Max suction: 270 mmHg
Modes / levels: Expression (10 Levels) & Massage (5 Levels)
Battery life: NA
Charge time: NA
Milk capacity: 5 fluid ounces
App control: None
HSA/FSA eligible: Yes

Spectra S1 Plus

Type: Double Electric Breast Pump
Max suction: 270 mmHg
Modes / levels: Expression (10 Levels) & Massage (5 Levels)
Battery life: 180 Minutes
Charge time: 180 Minutes
Milk capacity: 5 fluid ounces
App control: None
HSA/FSA eligible: Yes

Spectra 9 Plus

Type: Double Electric Breast Pump
Max suction: 260 mmHg
Modes / levels: Expression (10 Levels) & Massage (5 Levels)
Battery life: 150 Minutes
Charge time: 180 Minutes
Milk capacity: 5 fluid ounces
App control: None
HSA/FSA eligible: Yes

How insurance works

How to get your Spectra pump through insurance.

Getting a breast pump through insurance is simpler than most moms expect. Under the Affordable Care Act, most insurance plans cover a breast pump at little or no cost.

01
Fill out our quick insurance verification form

It takes about two minutes. You'll need your insurance card and your due date (or baby's birth date).
02
We verify your benefits

Our team contacts your insurance company directly and confirms which pumps you qualify for. We handle the paperwork and the phone calls so you don't have to.
03
Choose your pump and we ship it

Once approved, select the model that's right for you. We ship it directly to your door — free, in plain packaging.

We work with most major insurance plans

Check your coverage

Refills & replacement parts

Spectra replacement parts and accessories.

1 Natural Way carries the full Spectra accessory line: flange inserts (24mm and 28mm), CaraCups in-bra collection inserts, replacement duckbill valves, backflow protector membranes, tubing sets, and wide-neck collection bottles. Through our MilkZoom program, many moms qualify for replacement parts covered monthly by insurance.

Shop Spectra accessories Learn about MilkZoom monthly resupply

Frequently asked

Common questions about
Spectra breast pumps.

Real questions our care team gets every week. Don't see yours? Chat with our team.

Why is Spectra recommended so often by lactation consultants?

Two reasons. First, the S1 and S2 Plus pull at 270 mmHg — true hospital-strength suction — which most moms need to maintain or build supply, and most insurance-covered pumps don't hit that number. Second, both come at the fully covered tier (S2 fully covered on most plans, S1 with a small upgrade fee on some). So Spectra is usually the strongest output you can get without paying out of pocket.

Which Spectra pump is fully covered through my insurance?

The S2 Plus (plug-in) and the 9 Plus (portable) are both fully covered on most insurance plans 1NW works with. The S1 Plus is fully covered on some plans and a $29–$99 upgrade on others. The Premier Wearable and Synergy Gold Portable are typically upgrade-fee SKUs. Check your specific plan's coverage in about 2 minutes with our coverage tool.

What's the difference between the S1 Plus and S2 Plus?

One feature: the battery. The S1 has a built-in rechargeable battery (~3 hours per charge); the S2 is plug-in only. Same 270 mmHg suction, same Natural Nursing Technology, same closed system, same flanges in the box. The S1 weighs about half a pound more because of the battery. If you'll always pump near an outlet, take the S2, fully covered. If you'll ever pump untethered, the S1 upgrade is the easiest call in the category.

Does Spectra make a wearable pump?

Yes — the Spectra Premier Wearable (launched May 2025) is Spectra's first true all-in-bra wearable. Motor, cup, and battery all sit in the bra. It pulls 280 mmHg — actually a touch higher than the S1/S2 Plus — which makes it one of the highest-suction wearables on the market. Tradeoff: it doesn't include Spectra's signature Natural Nursing Technology (the vibration + suckling pattern), since the form factor doesn't accommodate it. Typically an upgrade-fee SKU through insurance.

What is Natural Nursing Technology and which Spectra pumps have it?

Spectra's name for the combination of gentle vibration and suckling action built into the pump pattern, designed to mimic how a baby actually nurses (which is mechanically different from straight vacuum cycling). It's on the S1 Plus, S2 Plus, 9 Plus, and Synergy Gold lineup. It is not on the Premier Wearable — that pump uses a more traditional massage/expression cycling pattern, a tradeoff of the wearable form factor.

What are CaraCups and which Spectra pumps work with them?

CaraCups are Spectra's in-bra collection cups (24mm / 28mm, 250 mL each) that convert any Spectra electric pump into a hands-free wearable setup. Drop them in and the pump still does the work, but the cups sit in your bra instead of bottles in your hands. Compatible with the S1 Plus, S2 Plus, 9 Plus, and Synergy Gold lineup. Sold separately or in bundle.

Do I need to clean Spectra tubing?

No — every Spectra electric pump is a true closed system, with a physical barrier (backflow protector + duckbill valve) between the milk and the tubing/motor. The tubing doesn't need cleaning under normal use. Replace the duckbill valves and backflow protector membranes on the schedule Spectra recommends (varies by usage), and you're set.

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