RAAL-requisite CA-1a/CS-1a Ribbon Headphones with Package and Color Op — hifisoundgear
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RAAL-requisite CA-1a/CS-1a Ribbon Headphones with Package and Color Options

$2,000.00
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Experience True Ribbon Driver Sound in Comfort and Style - RAAL-requisite CA-1a/CS-1a Ribbon Headphones

The RAAL-requisite CA-1a and CS-1a aren't your typical high-end headphones - underneath those ergonomic ear cups are revolutionary Ribbon Drivers designed to deliver a level of resolution and detail that will give traditional driver headphones a run for their money.

raal requisite ca-1a cs-1a front view

Hear New Details in Your Favorite Music - RAAL-requisite CA-1a/CS-1a

The CA-1a/CS-1a features a simple transducer design but produces sound that's truly out of this world.

Its true Ribbon Driver design consists of a single piece of aluminum (per side) acting as a voice coil, suspension, and diaphragm - all in one. The ultra-lightweight piece of aluminum moves at an incredibly high speed, giving the CA-1a/CS-1a the ability to extract every detail from your favorite music with amazing clarity and accuracy.

raal requisite ca-1a cs-1a ear cup internal view

Enjoy Incredible Ribbon Driver Sound in Ultra-Comfortable Circum-Aural Ear Pads - CA-1a/CS-1a

The RAAL-requisite SR-1 was the first to feature RAAL-requisite's True Earfield Ribbon Driver technology in an open-ear headband design. With the right adjustments, the SR-1 offered good comfort and fit, but let's face it - nothing beats the comfort of a Circum-Aural design like the one found in the CA-1a/CS-1a.

Don't be fooled into thinking the CA-1a/CS-1a are the SR-1s in a Circum-Aural design - RAAL-requisite developed a new motor through years of R&D to ensure the CA-1a/CS-1a delivers the insane resolution, detail, and accuracy you've come to expect from a Ribbon Driver headphone.

raal requisite ca-1a cs-1a left ear cup close up view

Your Headphones. Your Style. - CA-1a/CS-1a Custom Shop Variants

The RAAL-requisite CA-series headphones are available in two variants: CA-1a and CS-1a.

The CA-1a and CS-1a are identical headphones with their main differences being ear cup aesthetics. The CA-1a features a standard gunmetal finish, while the CS-1a comes in four unique ear cup designs: Sticker Bomb, Green Camouflage, Red Camouflage, and Blue Shard.

raal requisite ca-1a cs-1a custom colors side by side

Choose the Right Setup For You - CA-1a/CS-1a Package Options

CA-1a/CS-1a comes in three unique package options: Naked, Package, and ProPac.

Naked is intended for customers who already own a CA-1a/CS-1a. Naked comes with no interface, cable, or OB Barrels.

Package includes the CA-1a/CS-1a, accessories, TI-1b Transformer Interface, SC2 Cable, ITI-XLR Cable, and Open Baffle Compensation Barrels.

ProPac features everything in the Package option and adds a foam-lined, waterproof Flight Case for unbeatable protection when traveling with your CA-1a/CS-1a.

raal requisite ca-1a cs-1a sticker bomb variant ribbon driver close up

RAAL-requisite CA-1a/CS-1a Price

The RAAL-requisite CA-1a/CS-1a is a Circum-Aural Ribbon Driver headphone from RAAL-requisite. Priced at $2,250.00, the CA-1a/CS-1a delivers incredible sound in a comfortable form-factor.


Shipping is FREE on all orders to customers within the USA.

We don't want to mess around with fine print and extra charges. We like things to be simple and easy. 

Here's how shipping works around here:

  1. Place your order
  2. You'll receive a confirmation e-mail. This means we've received your order and have pre-authorized your payment method.
  3. We check the stock levels on your product.
    • We do this because we're a small family-owned business. Many of the products we source directly from the brands, and we don't keep their inventory levels updated.
    • If it's available, we'll get it shipped within 3 business days.
    • If it's not available, we'll reach out by email and make alternate arrangements.
  4. You'll receive another email with shipping/tracking information.

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While we fully stand by every product that we sell, we understand that sometimes you might change your mind or realize the product you ordered wasn't exactly what you were hoping for.

Here's a quick rundown of our return policy.

  • 365 Day Returns, for ANY reason.
  • You will pay NOTHING for the return.
    • ZERO Return Shipping Cost
  • You will receive your hard-earned money back in your pocket.
  • HiFiSoundGear will pay for shipping defective, damaged, or incorrect merchandise at our cost.

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We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at HiFiSoundGear.

  • Free Shipping in the USA. No extra charges. Ever.
  • Price Match Guarantee. Best prices online guaranteed.
  • Zero Shenanigans. If we can't help you, we won't pretend like we can.
  • 365 Day Generous Returns. Not happy with your product? We'll take it back - no questions asked.
  • Great Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, and we know you'll love them. But if there is ever something wrong, we'll fix it.
Free Shipping. We'll deliver the goods - at zero cost to you.
Generous Returns FREE 365-day returns from date of delivery.
Friendly service. We might even make you blush.
Zero shenanigans. If we can't help you, we won't say we can.

RAAL-requisite CA-1a/CS-1a Ribbon Headphones with Package and Color Options Reviews

Want the best price on this product?
CALL OR TEXT US
365 Day Returns Not the right fit? We’ll buy it back.
Try out your new gear, on us. TIDAL HiFi Plus, free with every purchase.
Free Extended Warranty We’ve got you covered for 5 years after purchase.
Service Discount Are you Military/Police/Fire?
GET DISCOUNT
Free Shipping Straight to your door.
Price Match Found a better price? We’ll beat it by 5%.
Authorized Dealer Genuine gear, warranties included.
Free Shipping. We'll deliver the goods - at zero cost to you.
Generous Returns FREE 365-day returns from date of delivery.
Friendly service. We might even make you blush.
Zero shenanigans. If we can't help you, we won't say we can.
Military/Police/Fire We appreciate you. Contact us today.
Price Match Promise We dare you. Find a better price.
Secure Checkout We'll make sure your info is safe.
Authorized Dealer Standard warranties included.