5 out of 5
ART CLEANBoxPro Stereo Balanced/Unbalanced Converter
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Pricing Note
Product Description
Manufacturer Part Number: CleanBOXPRO
The CLEANBoxPro provides two channels of unbalanced to balanced level conversion and two channels of balanced to unbalanced level conversion in a rugged, compact, and portable unit.
Key Features:
Overview:
ART CLEANBoxPro Stereo Balanced/Unbalanced Converter
The CLEANBoxPro provides two channels of unbalanced to balanced level conversion and two channels of balanced to unbalanced level conversion in a rugged, compact, and portable unit. Balanced lines offer increased immunity to external electrical noise, such as hum. Since a balanced system minimizes induced noise, it is the preferred method of connecting audio gear, especially when long lengths of cable are used. One section of the CLEANBoxPro converts two channels of consumer-level unbalanced input signals into two channels of pro line-level balanced output signals. It has two RCA jack inputs and a stereo mini-phone jack input connected in parallel. The balanced output feeds two XLR male jacks. The other section of the CLEANBoxPro converts two channels of line-level balanced input signals into two channels of consumer unbalanced output signals. It has two XLR female input jacks. The unbalanced output feeds two RCA jacks and a stereo mini-phone jack connected in parallel. Each section has stereo level controls to optimize signal levels. An LED indicator lights when power is applied.
The CLEANBoxPro can be an invaluable tool in application areas including (but not limited to!): home or professional recording studios, live sound, PA, permanent installs, DJ, AV, consumer Hi-Fi, podcasting and broadcasting. The CLEANBoxPro can be used with: mixers, audio processors, laptop computers, computer sound cards, CD/DVD players, video gaming machines, MP3 player/recorders, powered monitors, and digital audio workstations.
Specifications: Frequency response: 20 Hz - 20 kHz, ± 1 dB Total harmonic distortion: <0.01% @ 1 kHz Signal-to-noise ratio: > 90 dB Common mode rejection ratio: > 40 dB Input impedance: Balanced: 20k Ohms; Unbalanced: 100k Ohms Output impedance: Balanced: 100 Ohms; Unbalanced: 300 Ohms Maximum gain: Balanced to unbalanced: -6 dB; Unbalanced to balanced: +21 dB Maximum input level: +21 dBu Maximum output level: Balanced: +21 dBu; Unbalanced: +15 dBu Power: 7.5-12 V AC/DC, < 150 mA Dimensions: 1.85" x 4.6" x 4.3" (47 x 117 x 109 mm) Weight: 1.10 lbs. (0.50 kg)
ARTcessories™ are taking the audio world by storm and quickly becoming a popular brand with musicians, DJs and studio engineers everywhere around the World. Split, combine, mix, power... you name it. On stage, in the studio, in your living room, they're easy to use and are built to last. For those times when you need a little box to fix a big need or to make more out of a smaller project, ARTcessories™ has you covered. You'll discover a robust line of useful tools which include a complete range of direct boxes, headphone amps, small mixers, mic cable combiner/splitters and much more. ARTcessories™ are designed to deliver affordable solutions for a multitude of audio needs for any size project.
Specification:
Manuals & Resources:
The CLEANBoxPro provides two channels of unbalanced to balanced level conversion and two channels of balanced to unbalanced level conversion in a rugged, compact, and portable unit.
Key Features:
- Converts consumer-level signals to pro, or the reverse!
- XLR connectors for balanced inputs and outputs
- RCA phono jacks and stereo 1/8" mini-phone jacks for unbalanced inputs and outputs
- Unbalanced output level control
- Balanced output level control
- Rugged extruded aluminum case
- Lighted On/Off switch
Overview:
ART CLEANBoxPro Stereo Balanced/Unbalanced Converter
The CLEANBoxPro provides two channels of unbalanced to balanced level conversion and two channels of balanced to unbalanced level conversion in a rugged, compact, and portable unit. Balanced lines offer increased immunity to external electrical noise, such as hum. Since a balanced system minimizes induced noise, it is the preferred method of connecting audio gear, especially when long lengths of cable are used. One section of the CLEANBoxPro converts two channels of consumer-level unbalanced input signals into two channels of pro line-level balanced output signals. It has two RCA jack inputs and a stereo mini-phone jack input connected in parallel. The balanced output feeds two XLR male jacks. The other section of the CLEANBoxPro converts two channels of line-level balanced input signals into two channels of consumer unbalanced output signals. It has two XLR female input jacks. The unbalanced output feeds two RCA jacks and a stereo mini-phone jack connected in parallel. Each section has stereo level controls to optimize signal levels. An LED indicator lights when power is applied.
The CLEANBoxPro can be an invaluable tool in application areas including (but not limited to!): home or professional recording studios, live sound, PA, permanent installs, DJ, AV, consumer Hi-Fi, podcasting and broadcasting. The CLEANBoxPro can be used with: mixers, audio processors, laptop computers, computer sound cards, CD/DVD players, video gaming machines, MP3 player/recorders, powered monitors, and digital audio workstations.
Specifications: Frequency response: 20 Hz - 20 kHz, ± 1 dB Total harmonic distortion: <0.01% @ 1 kHz Signal-to-noise ratio: > 90 dB Common mode rejection ratio: > 40 dB Input impedance: Balanced: 20k Ohms; Unbalanced: 100k Ohms Output impedance: Balanced: 100 Ohms; Unbalanced: 300 Ohms Maximum gain: Balanced to unbalanced: -6 dB; Unbalanced to balanced: +21 dB Maximum input level: +21 dBu Maximum output level: Balanced: +21 dBu; Unbalanced: +15 dBu Power: 7.5-12 V AC/DC, < 150 mA Dimensions: 1.85" x 4.6" x 4.3" (47 x 117 x 109 mm) Weight: 1.10 lbs. (0.50 kg)
ARTcessories™ are taking the audio world by storm and quickly becoming a popular brand with musicians, DJs and studio engineers everywhere around the World. Split, combine, mix, power... you name it. On stage, in the studio, in your living room, they're easy to use and are built to last. For those times when you need a little box to fix a big need or to make more out of a smaller project, ARTcessories™ has you covered. You'll discover a robust line of useful tools which include a complete range of direct boxes, headphone amps, small mixers, mic cable combiner/splitters and much more. ARTcessories™ are designed to deliver affordable solutions for a multitude of audio needs for any size project.
Specification:
Product Details | |
|---|---|
| Brand | ART |
| Model | CleanBOXPRO |
| Part Number | 245-868 |
| UPC | 840402019053 |
| Unit of Measure | Each |
| Weight | 2.5 |
Product Specifications | |
|---|---|
| Mixer Type | Analog |
| XLR Mic Inputs | < 6 |
Manuals & Resources:
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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Customer Reviews
By Eric Dunham
Date: November 28, 2025
Great converter, works perfectly. I'm using it for subs that I'm running through a couple of Crown XLS-1000s (1,100 watts at 4 ohms in bridged mono, baby). I haven't noticed any noise (hard to hear with subs, but even so), and the controls are simple and easy to understand. Being able to adjust the line level to match my other gear while leaving the gain alone on the amps has been great. It's built like a tank (this thing would survive on the road with real pro gear, I'm confident). It is a reasonable value for something made this nicely and looks pretty decent. It certainly doesn't have the aesthetic appeal of vintage brushed aluminum gear, but it's not the ugliest thing I've seen in a stereo setup. Overall, I hope I don't have to buy another one, but I'm glad I got this one.
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By Dan in NC
Date: November 27, 2025
Ideal solution to match the RCA output of my consumer Receiver to the pro XLR input of my studio gear. Built like a tank, but fits in a tight space. Works well with -ZERO- noise.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By sonny
Date: August 27, 2025
Art products have been great for years,lately, not so much.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By stevendanley
Date: July 26, 2025
Works great
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Rafael Paz
Date: July 07, 2025
Excelente producto estoy usando en una emisora y realiza una limpieza en el audio excelente
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Jorge
Date: May 02, 2025
I'm using this gadget between my yamaha receiver to a crown xli2500 to push a 12" car subwoofer. Now with the Art Cleanbox pro I get a better signal going to my amp and I can feel and see better excursion on the sub. Now it sounds like the amp is delivering more power, no doubt.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]