The 4-channel Di4 is designed to be used as a standard tool for many audio applications. Offering four channels, the Di4 easily solves the problem of converting unbalanced signals into balanced output suitable for use with mixers, PAs, recording consoles and more. The Di4 also functions as multi-channel stereo line mixer. This feature allows you to connect all your keyboards, samplers and modules into just one rack unit on stage and supply independent XLR balanced outputs to the stage box for a front of house engineer and set your own independent mix for stage monitoring. The Di4 also offers a headphone output.
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Description
DBX DI4 4-Channel Active Direct Box and Line MixerThe 4 channel Di4 is designed to be used as a standard tool for many audio applications. Offering four channels, the Di4 easily solves the problem of converting unbalanced signals into balanced output suitable for use with mixers, PAs, recording consoles and more. The Di4 also functions as multi channel stereo line mixer. This feature allows you to connect all your keyboards, samplers and modules into just one rack unit on stage and supply independent
Using the dbx Di4 as a DI Box:
Connect the signal you would like to convert from unbalanced to balanced to the Di4 via a 1/4-inch unbalanced jack to one of the channel inputs on the front panel of the unit. Connect an XLR balanced cable to the corresponding channel output on the rear of the Di4 and connect to your chosen destination. If the input signal strength is too high you can depress the 20dB pad. If there is an ground (earth) loop hum you can remove by depressing the earth lift switch.
Using the dbx Di4 as a Line Mixer:
You can mix volume and pan of all input signals to a single stereo pair of RCA connections on the rear of the Di4. This enables use of the unit as a fully functional line mixer. Just connect the RCA stereo master outputs on the rear to your chosen destination and adjust the individual volume and pan controls for each individual channel on the front of the Di4 to suit your needs.
- Four totally independent DI box units in 1/2 RU package
- Independent 20dB pad switch per channel
- Independent ground (earth) lift switch per channel
- Independent volume control per channel for line mixer output
- Independent pan control per channel for line mixer output
- Master volume
- Headphone output
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
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Product Reviews
★★★★★ 5
Best buy for a luxurious bed wear
Color: 02 - Beige, Size: Queen
If you didn’t know better, they feel like silk. Rate for the summertime. Very luxurious.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Great sheets
Color: 01 - Ivory, Size: Queen
Love these sheets. They are comfortable, wash up well and fit a sleep number bed. The cotton has some softness to it but not so much as to feel like polyester. I would buy them again! They are a good value for sleep number beds!
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Soft and cool and comfortable!
Color: 02 - Linen, Size: Queen
These are the best cotton sheets I’ve ever had. They are more than large enough for my very deep queen mattress and the extra straps they have on the corners are helpful too. They are so comfortable to sleep in. I’m a very hot sleeper but these sheets stay nice and cool and don’t smother me like other sheets do. I really love them, so much I bought a second set already because you can’t beat that price for 100% cotton.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Best sheets I've ever bought.
Color: 03 - Olive Green, Size: King
Love the color. Love the feel. Texture is "crisp" but it still very soft and comfortable. Have not had to retuck my corners even once since I put them on even though we move around constantly at night. Old sheets had to be retucked on the corners every night. Just feel like a quality sheet overall. Little pricey, but worth it for the level you're getting. I do wish the came in more dark colors. I have the green and would love a burgundy.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Best sheets ever!
Color: 01 - Ivory, Size: Queen
These are the softest sheets I have found for a great price! The added corner straps are super for my adjustable bed! I highly recommend these sheets. Deep pocket corners allow for my foam topper too. I'm definitely going to buy more of these!
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Reviewed in the United States on April 19, 2026