A budget component set that can still hold its own against the big boys. Can be used as main 2-way for low budget SQ setups or as rear fill for any setup where you want to have a back-up preset on the DSP for rear passengers, kids, etc. No hassle, barebones speaker set positioned just above the mainstream. Composite cones, stamped baskets, double spade terminals, silk dome tweeters with plastic pods. Manufacturer provided specs: Nominal impedance: 4 Ohm Power handling: 60W Sensitivity: 88 dB Frequency response: 65-20000 Hz Voice coil diameter: 25mm woofer, 25mm tweeter Voice coil wire: 25.5mm copper Magnet system: High grade ferrite for the woofer, neodymium for the tweeter Mounting diameter: 143mm woofer, 48.5mm tweeter Mounting depth: 64mm woofer, 17mm tweeter Our own DATS measurements: Right out of the box, no run-in. Vas of the woofer measured with the added mass method with an 18.5g added weight. Woofer: Re: 3.196 Ohm Fs: 70.82 Hz Qts: 1.092 Qes: 1.344 Qms: 5.828 Le: 0.2842 mH at 10kHz BL: 4.028 Cms: 0.329 mm/N Mms: 15.33 g Vas: 7.902 L Sensitivity: 89.08 dB 2.83Vrms Tweeter: Re: 3.322 Ohm Fs: 1215 Hz Qts: 1.072 Qes: 1.764 Qms: 2.732 Le: 0.03029 mH at 10kHz What's included: 2x Woofers 2x Tweeters 2x High-pass tweeter wires 2x Straight spade wires 2x Angled tweeter pods