Infinity QLS-1 Line Crossovers

Qls-1 Infinity Quantum Line Source Qls Pair

Brand: INFINITY, Custom Bundle: No, Non-Domestic Product: No, Modified Item: No, MPN: QLS-1

INFINITY QLS-1 Description

Unit was removed from a working environment. Given of vintage condition, units are offering as is described. Pals see close ups image, last pic. Up for consideration is a vintage pair of INFINITY line source qls 1 crossovers.

Some wires have been cut. All parts are still in original. There is a chipped - it just bit bigger than the size of quarter.

INFINITY QLS-1 Specifications


  • brand: Infinity
  • mpn: Qls-1
  • sku: 7389221201257323


  • custom bundle: No
  • non-domestic product: No
  • modified item: No


  • PayPal


  • to: Worldwide
  • type: Flat
  • handling: 2 days
  • cost: $25.0


  • policy: no returns

Looking to buy INFINITY QLS-1? Prices: $19.95-$2799.99 (5 offers).

  1. Best price! Fixed Price $2799.99
  2. $19.95
  3. $454.00
  4. $30.00
  5. $39.95

22 Ratings (100.0%)

  1. Excellent transaction! Looks brand new, like its never been used. (03-24-19)
  2. Excellent Item: Exactly as described on and shipped right away - Thanks! (03-22-19)
  3. The item arrived early, was in great condition and it costed less. (03-20-19)
  4. Quick ship, thanks! (03-24-19)
  5. Great seller. Fast shipping. Will do business with again. (03-20-19)


  • category: Electronics > Components > Speaker Parts
  • availability: In Stock
  • condition: New
  • currency: USD
$19.95 to $2799.99 USD (5 offers)
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Used. US Seller. For sale is a premier set of Quantum line Source speaker pair. These sound like new. They can be heard in Guntersville, al, 140 miles Nashville and Atlanta. 1 hour from Birmingham.+$400.00 shipping
New. US Seller. See the Frequency Response curves: The Green Curve is the average response of 3 Original EMIT Tweeters (Full Line source), vs the NEW AVA EMIT s in Red. As you can see they are virtually identical.+Calculated shipping
Seller refurbished. US Seller. Price is to MODIFY and REPAIR one pair of Infinity QUANTUM LINE SOURCE Crossovers. Then I will test the entire crossover and replace any parts that are malfunctioning. Cut the speaker wires as close to the drivers as possible to ease in reconnecting them when you get them back.+$46.00 shipping
New. US Seller. All revision 1.0 EMIT's will now have the P/N AVA191218. See below for all infinity models this part can be used in. See the 4 FFT curves: Two are Original EMIT Tweeters (Half Line source), vs Two original EMIT s fitted with my NEW Repair Diaphragms.+Calculated shipping
New. US Seller+Calculated shipping

  • qls-1