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:
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.
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
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.
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 |
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 Reymundo dejesus
Date: February 10, 2024
If you are using a pro amp like crown or behringer there is no way your amp will output all the power it's rated for if it's connected to a commercial equipment like your preamp processor or preout from your stereo receiver especially if your using it to power your subwoofer like I am the reason the voltage from you pre pro or preout from your receiver is to low pro amps need a higher voltage that's where the cleanbox pro comes in using it between my preout and amplifier to power my subwoofer I no longer have to turn the volume up my amp is getting a higher voltage which means it has more to work with my amp runs cooler and my subwoofer is getting all the power it needs
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By A Customer
Date: October 11, 2023
I am using this as an interface between a Denon receiver with no XLR 's and two Meyer Sound Amie studio monitors. I'm using the Denon as a preamp and running two rcas out to this device and into the Clean Box. The Meyers , which are powered speakers, then hook up to the clean box via XLRs. Works great!
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By BeefyCarnivore
Date: August 12, 2023
I got this for my brother, who was having trouble getting full volume out of his Crown professional amps, which he was driving with an older consumer receiver. This helped take his low voltage signal from his receiver and bring it up to the voltage the amps were expecting, and now he is getting full power out of the Crowns.A great way to get your input level high enough for professional amps! I'll be getting one for myself at some point, too!
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By AmZFanSince 1995
Date: July 10, 2023
I run live stream for church. The unbalanced input audio coming from our mixer was always very hard to control.This unit allowed my techs to quickly adjust the input gain using a simple knobInstead of bothering the audio tech or using the ATEM sliders (which are really hard to use with a mouse)Also the audio needed to go into a 3.5mm mic/line jack on the ATEM mini video switchThis box just took the guess work out of figuring the noise level issues
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Res
Date: June 17, 2023
I bought this to connect an old AC3 decoder to my EV ZLX-15BT PA speakers. Right now I only have one but I plan to buy 2 more. The AC3 decoder has RCA outputs (6 of them, since AC3 is a protocol to carry surround sound). To get the best sound quality, I decided to try this since it is active and converts the unbalanced signal to a true balanced signal over standard XLR outputs. This gives the benefits that 1) I don't have to worry about the length of the cable from the CLEANBox and 2) since it is a dual channel converter, I can convert the front and rear signals together with one box (for each set of channels).The audio quality is great, and since I have an EV ELX200-18SP subwoofer I can attest that the CLEANBox does not affect the bass with any highpass filters and the midrange and treble come through clear and crisp.The only thing is, while the level knobs are silky and smooth, there is an imbalance in channel 1 and channel 2 volume that is quite noticeable at low levels. So if you have a hot signal and you don't need a high level output, the level knob will cause an imbalance between your stereo channels. Also, while CLEANBox is very rugged with a metal chassis and decent quality connectors, the power supply is nothing special and I think the price is a bit too high, so I'm knocking off a star.
Rating: 
[4 of 5 Stars!]
[4 of 5 Stars!]
By David Jackson
Date: June 07, 2023
Does what it says
Rating: [4 of 5 Stars!]
[4 of 5 Stars!]