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Quilter Labs Phantom Block Phantom Powered Electric Guitar Interface , $119.00 - Add to Cart Skip to Product Information

Quilter Labs Phantom Block Phantom Powered Electric Guitar Interface

Direct Box for Electric Guitar, with Gain/Tone/Volume Controls, Cab Sim, and FRFR Mode
Quilter Labs Phantom Block Phantom Powered Electric Guitar Interface
Quilter Labs Phantom Block Phantom Powered Electric Guitar Interface

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Quilter Labs Phantom Block Phantom Powered Electric Guitar Interface
In Stock!

Only 3 left in stock! Order Soon!

Go Direct with True Amp Tone

This article was Written By

Our Product Research Team

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Here's a piece of gear that can save your job, and your reputation — the Quilter Labs Phantom Block phantom-powered electric guitar interface. Similar to a direct box, it allows you to plug your high-impedance guitar signal directly into the low-impedance mic inputs on a mixing board. But unlike a typical direct box, the Phantom Block features amp-like tone and gain controls — perfect if your amplifier fails you, or if it suddenly turns out the gig requires a silent stage with no amplifiers whatsoever. Whatever the reason may be that you find yourself having to go direct into the sound system, the Quilter Labs Phantom Block electric guitar interface will ensure you don't have to sacrifice your tone while doing so.

Can be powered by phantom power

So, for whatever reason, the live sound engineer tells you that you're going to need to go direct to the mixing board with your electric guitar — no problem. Connect the end of your guitar's signal chain to the Phantom Block, then connect it to a mic input on the mixer via XLR cable. Tell the engineer to engage phantom power, and you're now ready to rock with no external power supply required (you can use a 9V power supply or battery if you want, though).

Switchable Cab Sim/Full Range Flat Reponse modes

The Quilter Phantom Block is a smart solution for anyone in the band to go direct to the sound board. Electric guitarists should choose Cab Sim mode for amp-like performance, while acoustic guitarists and keyboard players may want to choose FRFR mode for an un-colored signal.

Compact size makes this a must-have problem solver

Gigging musicians at Sweetwater know that sometimes it's the most inconspicuous piece of gear that can make or break a performance. The compact size of the Phantom Block, as well as its ability to use phantom power, makes it the ideal problem solver to keep in your gig bag. Whether your amp is too loud for the room, it turns out you don't have much room to set it up, or it fails on you during soundcheck, the Quilter Phantom Block will get you out of the bind you find yourself in.

Quilter Phantom Block Electric Guitar Interface Features:

  • Direct box for electric guitar with gain/tone controls and Cab Sim
  • Powered by phantom power, or 9V power supply/battery (sold separately)
  • Allows you to plug your electric guitar directly into a mixing board via XLR cable
  • Gain control ranges from clean to overdrive
  • Full Range Flat Response mode is optimized for acoustic-electric guitar and keyboards

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage

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.