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Marshall JCM800 2203X 100-watt Amplifier Head , $2,899.99 - Add to Cart Skip to Product Information

Marshall JCM800 2203X 100-watt Amplifier Head

100W, 1-channel Tube Guitar Amp Head with Series Effects Loop and True Bypass Switching
Item ID: JCM800
Marshall JCM800 2203X 100-watt Amplifier Head
Sweetwater Gear Exchange
Find it used on Sweetwater's Gear Exchange
listed from $2,349.99
Backordered - More On The Way!

We expect more from Marshall in just a few days. Order today to reserve yours now, risk-free. Estimated October 5, 2026

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Marshall JCM800 2203X 100-watt Amplifier Head
Backordered - More On The Way!

We expect more from Marshall in just a few days. Order today to reserve yours now, risk-free. Estimated October 5, 2026

The Tone That Defined Heavy Metal

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Sweetwater's guitar players agree — nothing embodies the essence of Marshall's legendary tone more than the JCM800 2203X guitar amplifier head. With just one channel, a 3-band EQ for tone shaping, and 100 watts of power, you've got everything you need to create classic tones from crunchy blues to screaming leads and beyond. In this version of the iconic amplifier, Marshall added a series effects loop with true bypass operation, perfect for gigging musicians with lots of pedals. So step up to the professional's choice for outrageous Marshall tone — the JCM800 2203X guitar amplifier head.

The sound of rock

Plug your favorite guitar into the all-tube, 100-watt JCM800 2203X, hit a chord, and hold on — that tingling behind your eyeballs means you've tapped into the tone that shaped modern rock. The JCM800 really earned its reputation in the late '70s and early '80s in stadiums worldwide. When people talk about the Marshall tone, there's a good chance they're describing a JCM800 2203X plugged into a full stack, completely cranked. It's wild, unruly, and certainly not appropriate for late-night band practices, but it's 100% rock 'n' roll.

Series effects loop

Consider yourself lucky, because this JCM800 2203X sports a feature not found on the original JCM800: a series effects loop! And thanks to true bypass operation, your slew of pedals won't color the tone of the JCM800 2203X one bit.

JCM800, the professional rocker's choice

So, who loves the Marshall JCM800 2203X? More guitarists than we could ever name, and some of the most famous guitarists ever would be on the list. Angus Young of AC/DC, Kerry King from Slayer, and Zakk Wylde are just a few who chose the JCM800 2203X for its tonal tenacity. If you're looking for an amp for clean tones, look elsewhere, but if you want maximum tonal aggression, plug into the JCM800 2203X.

Marshall JCM800 2203X Features:

  • Possibly the most iconic and most-played guitar amplifier since the late '70s
  • 1-channel operation with 3-band EQ, a simple design that makes it easy to dial in great tones
  • Incredibly powerful at 100W, not an amp that's made to be played quietly
  • Series FX loop lets you switch pedals in and out, with true bypass operation for sonic transparency
  • Birch-ply construction is incredibly strong and ready for life on the road

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

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Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.