The information on the back of the speaker reads: 

PART NUMBER LSETH2100

MODEL NUMBER AT2570B

4 OHM

For informative purposes this tweeter was removed from a Cerwin Vega CVT-120 cabinet and these are the specs for that cabinet:

Frequency Response 38 Hz - 20 kHz (+/- 2.5 dB)

Power Handling 10 - 300 watts (RMS)

Sensitivity 94 dB [ 2.83 volts ]

Impedance 4 ohms

12" diecast aluminum frame

Midwoofer (2) 7" low mass cone with butyl rubber surround

1" treated silk dome Tweeter

Multi-slope phase-corrected design

Multi-slope phase-corrected design

3/4" ultra-high density acoustic board

Separate mid/high frequency enclosure,

Gold-plated bi-wire 5-way binding posts

Black walnut finish

Reversible spikes

Removable grilles

Tweeter (PTC)

Please note this sale is for one tweeter speaker only, please see pics.

You will receive everything you see in the pictures, if it is not pictured then it's not included. All items have an invisible hidden security mark. Please view pictures and ask any questions you might have. Have a nice day!