SHOP HOLIDAY DEALS!
Over 1500+ Items priced to MOVE!
Gallien-Krueger Fusion 550 500W @ 4Ohm 50w Horn Bi-Amp System
Couldn't load pickup availability
About Inventory Status
About Inventory Status
Questions? Call or text us at 301-946-8808.
♫ In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.
📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.
❓ Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.
❔ Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.
█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.
About Item Conditions
About Item Conditions
Questions? Call or text us at 301-946-8808.
New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.
Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.
Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.
Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.
Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.
B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.
Description
Description
Get Motorized Controls Allowing You To Store Two Different Footswitchable Settings - The Gallien-Krueger Fusion 550 500W @ 4Ohm 50w Horn Bi-Amp System
The Fusion 550 incorporates a unique six stage tube preamp paired with the same high current analog power amp utilized in our RB Series. The rich warmth of tubes combined with the quick, punchy power section that GK bass amps are known for is an experience like no other. In addition, GK takes the next step in innovation by adding motorized controls which allow you to store two different settings that can be recalled via the provided footswitch.
TUBE WARMTH AND FEEL
Three 12AX7 tubes deliver the perfect blend of classic tube response and the timeless “Variable Q” equalizer design of the 800RB.
TECHNOLOGY
VARIABLE Q TUBE EQUALIZER HIGH VOLTAGETUBESBIGIRONRUGGED CONSTRUCTION
VARIABLE Q TUBE EQUALIZER
Inherited from the 800RB, this unique tube design varies the EQ bandwidth to retain a musical response even at extreme settings.
ANALOG POWER
Analog power amp and power supply deliver classic feel and 500 Watts of hard hitting punch.
CONNECTIVITY
Tube driven transformer balanced DI with level control, Pre/Post and Ground Lift switches to feed the house, Tuner output, footswitch and FX Loop for connecting outboard accessories. Two twist lock speaker connectors to ensure reliable and safe cabinet connections, and two common ¼ inch outputs.
VARIABLE Q TUBE EQUALIZER
Inherited from the 800RB, this unique tube design varies the EQ bandwidth to retain a musical response even at extreme settings.
HIGH VOLTAGE TUBES
The signal path for gain, EQ, contour and the DI are 100% tube driven, achieving classic tube performance with 300V plates.
BIG IRON
Dual rail analog power amp and toroidal transformer provide the current required to control the speakers at high volume.
RUGGED CONSTRUCTION
Heavy duty chassis, large toroidal transformer and double sided boards ensure stable performance under the most rigorous tour conditions.
DESIGN
- Three 12AX7 tubes deliver the perfect blend of classic tube response and the timeless “Variable Q” equalizer design of the 800RB.
- Inherited from the 800RB, this unique tube design varies the EQ bandwidth to retain a musical response even at extreme settings.
- Analog power amp and power supply deliver classic feel and 500 Watts of hard hitting punch.
- Tube driven transformer balanced DI with level control, Pre/Post and Ground Lift switches to feed the house, Tuner output, footswitch and FX Loop for connecting outboard accessories. Two twist lock speaker connectors to ensure reliable and safe cabinet connections, and two common ¼ inch outputs.
TECHNOLOGY
- Inherited from the 800RB, this unique tube design varies the EQ bandwidth to retain a musical response even at extreme settings.
- The signal path for gain, EQ, contour and the DI are 100% tube driven, achieving classic tube performance with 300V plates.
- Dual rail analog power amp and toroidal transformer provide the current required to control the speakers at high volume.
- Heavy duty chassis, large toroidal transformer and double sided boards ensure stable performance under the most rigorous tour conditions.
SPECIFICATION
- Power @4Ω 500 WATTS
- Biamp 1x 50 WATT HORN
DIMENSIONS
- 19 x 10 x 5.25-"
- 25 LBS
PREAMP
- THREE TUBE 12AX7
- 300V PLATE
Manufacturer: Gallien-Krueger
Model: FUSION 550
SKU: I279054-0-WHXB
We are Chuck Levin's Washington Music Center
Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.
Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.
Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
