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Rolls SX45 Stereo Two-Way Mini Crossover w/Sub Output

Brand:| Model: SX45
Overview
The SX45 by Rolls is a unique frequency dividing device for small sound reinforcement applications. With Rolls quality and reliability, you know you're getting a name you can trust.
Highlights
  • 12 dB/octave rolloff
  • Stereo RCA input and output
  • Adjustable 50Hz to 2.5kHz crossover frequency
  • Mono subwoofer output
Part # 
245-1184
Weight: 1.15 lbs.  
OUT OF STOCK
Due In: 4/25/2014
List Price$118.00
You Save35%
Your Price
$75.86
Part # 245-1184
Qty:  EA
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Product Details

Rolls SX45 Stereo Two-Way Mini Crossover w/Sub Output

The SX45 features a 12 dB/octave roll off rate, a frequency dividing range of 50Hz to 2.5kHz, and an external power supply for noise reduction. It is designed to be very uncomplicated and effective for years to come. Made in the USA.

For more than two decades, those in the know have turned to Rolls for the highest quality, reliability, and value. Rolls is an innovative company specializing in domestically manufactured signal interface accessories, mixers, amplifiers, and processors for the audio professional.

Specifications: • Input impedance: 10k ohms • Output impedance: 1k ohms • Headroom: +10 dBV • Dimensions: 4.25" x 3.625" x 1.5" • Weight: 1 lb.



Rolls SX45 Stereo Two-Way Mini Crossover w/Sub Output
  • BrandRolls
  • ModelSX45
  • Part Number245-1184
  • UPC675889004502
  • Product CategoryActive Crossovers
  • Unit of MeasureEA
  • Product Rating
    (1 Reviews)
  • Weight1.15 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

Rolls SX45 Stereo Two-Way Mini Crossover w/Sub Output
Rolls SX45 Stereo Two-Way Mini Crossover w/Sub Output is rated 4.0 out of 5 by 1.
Rated 4 out of 5 by from Good simple crossoverI bought this to allow me to use a standalone amplifier instead of plate amps for my subwoofers. Good coils to roll off the high end to the subwoofers would have cost as much as this unit, and I thought that filtering the high end out upstream of the amplifier was a better solution, anyway.I've only had this installed for a few days but it seems to work as advertised. The power supply seems to be of very minimal quality, but it's working; the construction of the main unit seems solid. The input level knob is not quite aligned with the faceplate markings at the top (detent) setting, but that causes no functional problems.One note: As I have seen noted in reviews elsewhere (Amazon), I believe the phase on the high outputs is reversed. That's not hard to work around, but it might cause confusion during setup.
Date published: 2013-03-13

Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
Rolls SX45 Stereo Two-Way Mini Crossover w/Sub Output

Would this be a good option for cutting low frequencies from bookshelf speakers that only produce upper bass signals?

Q: Would this be a good option for cutting low frequencies from bookshelf speakers that only produce upper bass signals?I have some bookshelf speakers which only go down to a certain frequency. I also have an older, pretty powerful, yamaha receiver which doesn't have a crossover and puts out a full range signal. I noticed that when playing a full range signal at mid to loud volumes the woofer on the bookshelf speaker ( 6.5'' woofer ) would move a lot. The sound was very boomy, but less crisp, also the surround of the woofer itself seems to 'crease' sort of, like it wasn't made to be played like that. Then I found out from the makers of the speaker it's not good to play full range signal through these speakers. They offered a high pass filter but it's more expensive and has less options for outputs and only 2 'set' frequency options.I'm just looking for something inexpensive that I can use with my older yamaha receiver to cut lower signals from my bookshelf. and the sub out option seems pretty cool too.Thanks in advance. I'll check back soon.
Asked by: Kaygun
In a nutshell, no. This is a line level crossover and will not work with standard speaker level outputs. You might want to consider something like our 80 or 100 Hz high pass crossovers.http://www.parts-express.com/cat/assembled-passive-crossovers/308?kg=25577|5148
Answered by: MattP
Date published: 2013-04-24

what freq is the Mono low set at?

Asked by: canadian Jim
The mono low output is set to the same frequency as the low output, only it combines both left and right channels into a dual mono output in case you would want to use this as a dedicated subwoofer crossover.
Answered by: MattP
Date published: 2013-04-29

1. Is 'input' considered master volume for signals put through the device? 2. Is there any risk/danger in putting the highs to max and lows to max at all? Thanks

Asked by: KGUN
1. Yes, this controls the input gain of the crossover. 2. Yes there is a risk in doing this. You want to make sure you follow standard gain structure guidelines. Having both outputs maxed could potentially clip the input of an amplifier and toast whatever is plugged into it, or the amplifier itself.
Answered by: MattP
Date published: 2014-03-25

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