Pyle All-Weather Mono Trumpet Horn Speaker - 5” Portable PA Speaker with 8 Ohms Impedance & 25 Watts Peak Power - 180 Degree Swiveling Adjustable Bracket for Easy Maneuverability - Pyle PSP8
Amazon.com: Jensen MS6007SR Pair of 6.5" Coaxial Waterproof Silver Speakers, 60 Watts Max Power, Frequency Response 65Hz-20kHz, Nominal Impedance 4 Ohms, 7-1/8" Grille Diameter : Electronics
Amazon.com: CQRobot Speaker 5 Watt 8 Ohm Compatible with Arduino Motherboard, JST-PH2.0 Interface. It is Ideal for a Variety of Small Electronic Projects. : Everything Else
Amazon.com: uxcell 1W 8 Ohm DIY Magnetic Speaker 16mm X 36mm Square Shape Replacement Loudspeaker for Laptop 2pcs : Electronics
Amazon.com: Pyle-Pro 4x4 Inch Speaker-Heavy Duty 150 Watt High Power Horn Audio Tweeter System w/ 25mm Voice Coil, 15 Oz Magnet Structure, 1kHz-18 kHz Frequency, 105 dB, 8 Ohm Impedance-Pyle (PH44) :
DS18 SLC12S Car Subwoofer Audio Speaker - 12" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 500W MAX Power and Foam Surround for Vehicle Stereo Sound System
5 Core PA Horn Speaker Indoor Outdoor Waterproof Loud 6 Inch Portable PA Speaker with 8 Ohm Impedance and 50 Watt Peak Power High-Performance Siren Speaker, Mounting Bracket HW 405