Check the listing for details. PAC 2pcs RXE030 Tweeter Protector automatic poly switch for 8Ω 3/4" or Smaller. Condition: New. Listed at 7.95 USD. PAC Model RXE030 2-Pack X030 Automatic Poly Switch The RXE030 when put in series on the + speaker lead will break the circuit when there is to much current being sent to the tweeter. This is not a crossover but a simple poly switch that will reset after 20 seconds of non-excessive amplifier power. The switch adds less than 0.5 Ohms of resistance. This is old stock but new product in older ugly packages. This requires some skill to install because it has two stiff wires that must be put inline on the positive input side of the tweeter. PAC 2pcs RXE030 Tweeter Protector automatic poly switch resets in 20 seconds PAC 2pcs RXE030 Tweeter Protector automatic poly switch resets in 20 seconds Click images to enlarge Description PAC Model RXE030For 3/4" or smaller tweeters that are 8Ω 2-Pack X030 Automatic Poly Switch The RXE030 when put in series on the + speaker lead will break the circuit when there is to much current being sent to the tweeter. This is not a crossover but a simple poly switch that will reset after 20 seconds of non-excessive amplifier power. The switch adds less than 0.5 Ohms of resistance. This is old stock but new product in older ugly packages. This requires some skill to install because it has two stiff wires that must be put inline on the positive input side of the tweeter. Get images that make Supersized seem small.Showcase your items with Auctiva's Listing Templates! THE simple solution for eBay sellers. Track Page Views With Auctiva's FREE Counter