Akebono SK-10 Koto Synthesizer (Suiko ST-100)

Akebono SK-10 Koto Synthesizer (Suiko ST-100)

Marsoni

M251S

$649.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Akebono SK-10 Koto Synthesizer (Suiko ST-100)The Koto Synthesiser is an esoteric Japanese electronic musical instrument which reproduces 15 traditional Japanese instruments and 13 percussion sounds. You can listen via headphones or connect to the suitcase speaker. Features Vibrato On Off Vibe mode swith Tuning swith Octave selector switch Bend switch Mono Poly switch Includes non original 9 volt AC power supply. Video: https: youtu. be 9cTab06oZIY Product Specs Item Number: 42229 Make: Akebono

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I purchased this pillow specifically for its customizable fill feature, which allows you to add or remove stuffing to suit your personal comfort needs. Due to the unique curvature of my cervical spine—forward at the neck rather than backward—I require a soft, semi-flat pillow rather than one that is thick or firm. Additionally, I often experience ear discomfort by morning, so a gentler surface is essential. Upon adjusting the fill, I was pleasantly surprised by the generous amount of stuffing included. There was enough to fill an additional pillowcase, and I estimate it could easily create four to five more pillows. The ability to modify the pillow’s firmness at any time is an outstanding feature that makes it adaptable for a wide range of preferences and sleep styles. This pillow has exceeded my expectations in both comfort and versatility. I highly recommend it to anyone seeking a personalized sleep experience.

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Reviewed in the United States on February 1, 2026

Verified Purchase

NC Coach

Birmingham, US

★★★★★ 4

Good quality pillows overall

Size: King (Pack of 2), Color: White

Got a set of these for my wife and myself as we were struggling with our old pillows. These have some really good qualities and some things we'd like to see changed. First, the good: These are look and feel like they are high quality and made with good materials. The foam itself has a very nice feel to it. We love the fact they are adjustable to add or remove foam. They come with a pretty substantial amount already in the pillow. We appreciate the CertiPur certification. Now the improvements or changes we'd like to see: The foam, while feeling great, doesn't bounce back well if you scrunch your pillows, and so every day you have to fluff and reshape the pillow, moreso than some other memory foam pillows we've owned. One side of the pillow is cooled and you can feel that even through the pillow case, and that's a great thing. However, one side is not cooled and we'd have preferred if both sides were made of the cooling material. Overall, these are good pillows and we are not disappointed with the purchase. They are not, however, our perfect pillows (which do seem hard to find), and at some point in the future will probably make their way to the guest bedroom. We would rate them as some of the better pillows we've tried and feel most people would probably like them.

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Reviewed in the United States on December 19, 2025

Verified Purchase

Amazon Customer

Carnegie, US

★★★★★ 5

Perfect Pillow

Size: Queen (Pack of 1), Color: White

These are the best pillows ever. You can adjust the firmness or softness to whatever you want. For years i used a soft latex pillow , which you cant get anymore. I will never use another pillow. I have purchased 6 of these after the first one. You pick your own comfort level. Best ever. No more neck aches.

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Reviewed in the United States on May 17, 2026

Verified Purchase

Mark

Lake Worth, US

★★★★★ 5

Hallelujah… finally, I found the right pillow!!!

Size: Queen (Pack of 1), Color: White

I have spent a lot of money searching for the right pillow. I recently tried to Tempur-pedic that cost twice with this pillow cost. Tempur-pedic flattened out. I’ve had this pill for a few weeks now and it works wonders. I am a paraplegic. You can have a lot of neck problems. I love the fact that this pillow is adjustable. I immediately saw it was too stuffy and took a bunch out. It works perfect so glad I didn’t spend money on a $200 purple pillow. I read a lot of reviews and there were a lot of complaints about the odor. Mine did smell funny when it came out of the box. I immediately threw it in the dryer with a few bounce fabric sheets came out smelling fine. Pillows are a very individual thing, but I think for 40 bucks this pillow is worth a try. I’m really enjoying mine about one of those silk pillowcases to go over it and it sleeps cool and comfortable. Best wishes in your search for the right pillow. Update: I’ve been using this pillow several months and it continues. Give me a good night rest pain-free.. well worth the money. UPDATE: I have been using this pillow for three months and it still works great. It does not flat out or get hot..

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Reviewed in the United States on January 29, 2026

Verified Purchase

Danica Mandic

Chelsea, US

★★★★★ 5

Soft comfortable very good pillow

Size: King (Pack of 1), Color: White

I really love my new pillow it's great and comfortable. Yes, it has a little smell, but if you wash the pillowcase and put the pillow on the window for a day you won't notice anything anymore.

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Reviewed in the United States on May 18, 2026