“The guitar was well packed and is set up to my liking! I would definitely do business with this company again!”
Darkglass Exponent 500 Watt Bass Amp Head
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Sale price$749.99Regular price
$999.99
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Pickup available at 2520 W Main St
Usually ready in 24 hours14-day returns
Changed your mind? Return it undamaged within 14 days.
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Ships from Rapid City, SD. Free on orders over $100.
11,000+ five-star reviews on Reverb
Trusted by players nationwide since 1963.
Ships same or next day
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These brand new Dark Glass Exponent 500 Watt Bass Amp Heads with full factory warranties can be seen in our Rapid City, SD showroom.
Buy risk free with our 14 day - full refund, less shipping, return policy. Check out our shop policies for more details.
We always craved a clean head. A device that is “out of the box” is an amplifier without added effects. Uncomplicated, intuitive, and for each one of us to be able to unveil the layer of sophistication that better serves our projects and skills. The Exponent 500 is a new concept that once connected turns into a multi-effect, with fully programmable and presettable signal chains with all the components a professional bassist requires.
Front Panel Features
Input
Use this jack to connect your instrument via a standard ¼” mono cable.
Quick-Pots
There are five Quick-Pots on Exponent’s front panel (A, B, C, D and E) .
By default, these pots are mapped to the Amp EQ’s four frequency bands and a preset-specific control.
In the Darkglass Suite, you can freely bind the Quick-Pots to your selection of any five controls from the effects in your signal chain.
Master
Use this knob to control the overall volume of the amplifier.
Preset
Pressing the preset button changes through presets 1 to 5 and a bypass signal. The current preset is shown with a single LED next to the preset number.
When Exponent is bypassed, all preset LEDs show a dim white color.
Long-press the preset button to start Bluetooth pairing. All preset LEDs will breathe white while pairing is active.
Mute
Pressing the mute button toggles mute on the physical outputs.
When Exponent is muted, all preset LEDs will illuminate with a dim red color.
Dimensions
Width: 21 cm / 8¼”
Length: 17.5 cm / 7″
Height: 6 cm / 2¼”
Weight: 1.65 kg / 3.64 lb
Darkglass Suite
Exponent comes preloaded with five versatile factory presets. Using Exponent with the Darkglass Suite isn’t necessary, but we recommend it!
Darkglass Suite unlocks the full potential of Exponent by providing an interface to interact and modify the signal chain running on each preset.
Use the iOS or Android versions of the Darkglass Suite to create, edit, share, and apply presets. Please make sure your Darkglass Suite version is 4.3.0 or newer!
Back Panel Features
Speaker Output
Use this connector to connect the amplifier to your cabinet. The SpeakON Combo jack allows for SpeakON or ¼” speaker cable operation. The minimum load impedance is 4 Ω. Exponent can be operated without a cabinet.
WARNING: Do not use an instrument cable with this jack. Using an instrument cable can damage your amplifier.
Effects send
Use this output to send the signal to your outboard gear.
Effects return
Use this input for the signal from your outboard gear.
Headphone Output
The 1/4″ stereo headphone output handles headphones with an impedance of 16 – 600 Ω. Connect your headphones and control the output level with the master volume. The headphone output has an output impedance of
XLR direct output
Direct output signal unaffected by master volume. The maximum output level before clipping is 2.2 dBu (1 Vrms).
Ground Lift
Use this control to lift the ground of the XLR output. If you are experiencing ground noise in your DI signal, try changing this control.
MIDI In
Standard DIN connector. Use the 7-pin MIDI connector only with the Darkglass MIDI footswitch, and use a 5-pin connector with other MIDI equipment.
USB
The USB-C port unlocks Exponent’s USB audio interface capabilities and allows for software updates via the Darkglass Suite. USB MIDI In/Out is also supported.
AC Socket
Connect mains power to the amplifier. There is a voltage selector for 100-120 / 200-240 VAC, 50-60 Hz.
Expo500
Darkglass Exponent 500 Watt Bass Amp Head
Sale price$749.99Regular price
$999.99
Customer reviews
11,000+ Five-Star Reviews On Reverb
What players say after the guitar arrives
“This is a beautiful guitar…appreciate the free setup and quick ship! Would purchase from this seller again…THANKS!”
“Thank you too for a wonderful experience and an amazing guitar. I appreciate the quick shipment and great customer service.”
“Very fast shipping, arrived in perfect condition, extremely well set up, no adjustments needed at all! Plays and looks great, exactly as advertised.”
“Fast shipping, and great communication from the seller. Pedal arrived quickly and was packaged really well. Would not hesitate to buy again.”
Very well packed! Would be happy to do business again! Thanks!
“Another masterpiece from Taylor. Great service and communication from Haggerty’s crew. Thanks!!!”
“Beautiful guitar, easy txn! Thank you so much! Looking forward to playing this guitar far into the future.”
“Fast shipping, great pedal. Buy with confidence these guys are great to work with!”
“Great shop! Awesome price, super fast shipping, and great packaging of an awesome new pedal! Thanks!”
Frequently Asked Questions
Do you set up every guitar before it ships?
Yes. Every guitar that leaves our store has been professionally inspected, set up, and signed off by the technician who worked on it. You will find a signed checklist inside the box when your order arrives.
How accurate are your condition descriptions?
We treat condition grading as a contractual promise, not an approximation. When we list something as excellent, that reflects a specific, consistent standard we apply across every instrument. We encourage you to call us before purchasing if you want a detailed in-hand description of any specific guitar.
Can I call and speak to someone about a guitar before I buy?
Yes, and we encourage it. Our team are working musicians, not order-takers. Call us at 605-348-6737 and ask about any instrument in our inventory. We will physically pull it off the wall and describe it to you in detail.
What is your return policy?
We offer a 14-day return policy if you change your mind and the item is returned undamaged. You are responsible for return shipping costs.
Do you offer financing?
Yes. Financing options are available at checkout. Monthly payment options are designed to make high-ticket purchases more accessible without requiring full payment upfront.
How do you ship instruments?
Every instrument ships fully insured from our store in Rapid City, South Dakota. We offer free shipping on all website orders over $100. Guitars are packaged to survive transit, properly cased, braced, and protected.
Are you an authorized dealer?
Yes. We are an authorized dealer for Taylor, Martin, Gibson, Fender, and many other brands. We are currently the number one independent Taylor Guitars dealer in the world, an award we have received two years running for 2024 and 2025. We are also a Top 10 premium dealer for Martin, Gibson, and Fender.
Do you sell on Reverb and Amazon as well as your own site?
Yes. We are one of the top 15 resellers globally on Reverb, where we have accumulated over 11,000 five-star reviews. We are also one of the only independent premium dealers in the world authorized to sell Taylor and Martin on Amazon.
How long have you been in business?
Haggerty's Music has been open since 1963. Our store is located at 515 Mount Rushmore Road, Rapid City, South Dakota.
Do you offer instrument repair?
Yes. Our certified technicians handle everything from routine setups to full restorations across fretted, orchestral, and band instruments. Our team holds certifications from Taylor Guitars, Yamaha, and other leading brands. Learn more HERE.
What brands do you carry?
Our core guitar brands include Taylor, Martin, Gibson, Fender, PRS, Epiphone, Suhr, Eastman, Gretsch, Luxxtone, Novo, Jackson, Charvel, Legator, and Yamaha among others. These are also the most searched brands on our site, so each has a dedicated collection page.
Do you offer music lessons?
Yes. We offer music lessons. You can find out more HERE.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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2520 W Main St, Rapid City, SD 57702.
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