Check the listing for details. 2PCS Replacement Capsule Replacement Cartridge Fits for shure SM58 microphone. Condition: New. Listed at 11.90 USD. Specification: Name: Microphone Cartridge Applications: for Shure SM58 Wireless Microphone ONLY Impedance(at 1kHz): 600Ω±15% Sensitivity(0dB≈1v/pa at 1kHz): -53.1±3dB Frequency Response: 80Hz-15KHz Provides for warm, ribbon like tones in the low and low-mid range and clarity in the high-mid range to get great representation of vocals, guitars, guitar cabinets and brass instruments Package Including: 2pcs Capsule Cartridge Kindly Note: If you need a huge quantity, contact us to get more competitive offer. Shipping and Payment: Payment : Paypal Shipped within 1 business days once payment done. Ship via USPS 1st class mail with Tracking Number,2-5 days to reach you. Refund and Guarantee: 30 Days Money Back Guarantee 180 Days - Free Exchange Please contact us with any questions or concerns,we will solve it until you satisfy.