Amazon.com: MIYAKO USA (TS-416) 4" Professional Grade Replacement for Speaker 50 watts Power at 4 ohms 10oz Magnet Round Speaker for Repairs Black (1 Pair) : Electronics
Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics
Amazon.com: DS18 ZXI-354 3.5" Full Range Car Audio Speaker Upgrade with Kevlar Cone 120 Watts 4 Ohm Horn Woofer - Pair of 3.5 Speakers (2 Speakers) : Everything Else
Amazon.com: MIYAKO USA (TS-416) 4" Professional Grade Replacement for Speaker 50 watts Power at 4 ohms 10oz Magnet Round Speaker for Repairs Black (1 Pair) : Electronics
Amazon.com: Fielect 2Pcs DIY Magnetic Speaker 3W 4 Ohm Full Range Audio Speaker Stereo Woofer Loudspeaker Replacement for Arduino, 52mm Diameter : Electronics
Amazon.com: 8 Inch Car Subwoofer Speaker - 350 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch High-Temperature Kapton Voice Coil, 89.2 dB, 8 Ohm, 50 oz Magnet - Pyramid PW848USX : Electronics
Amazon.com: PRV AUDIO 3MR50 3 Inch Midrange Speaker, 8 Ohm, 100 Watts Peak, 50 Watts Program Power PRO Loudspeaker for Portable PA System and Tower Speakers (Single) : Electronics
Amazon.com: Recoil RCX525 Echo Series 5.25-Inch Car Audio Coaxial Speaker System : Electronics
Amazon.com: Massive Audio FX4 – 4 Inch, 200 Watts Max, 50 Watts RMS, FX Series Coaxial Speakers, 20mm Aluminum Dome Ferro Fluid, 6dB Linksworth Riley Crossover 4 Ohm (Sold AS Pair) : Electronics
Amazon.com: BOSS Audio Systems BRS40 50 Watt, 4 Inch , Full Range, Replacement Car Speaker - Sold Individually : Electronics
Amazon.com: Celestion TF 0615MR 50 Watt Raw Frame Speaker, 8 Ohm, 6 inch : Musical Instruments
Amazon.com: Rockville 2 RockShelf 54W 360w White 5.25"" Home Theater Bookshelf Speakers/4 Ohm, RockShelf 54W V2 : Electronics
Amazon.com: Visaton GmbH & Co. KG K 50 WP - 8 OHM (Pack of 20) (K 50 WP - 8 OHM) : Industrial & Scientific
Amazon.com: Indoor / Outdoor PA Horn Speaker - 8.1” Portable PA Speaker with 8 Ohms Impedance & 50 Watts Peak Power - Mounting Bracket & Hardware Included - Pyle PHSP8K : Electronics
Amazon.com: Facmogu 2PCS 8 Inch Full Range Audio Speakers, RMS 50W Peak 120W 4 Ohm, Car Vehicle Audio Full Range Drivers, Wide Range Bass Woofer DIY Loudspeaker Replacement - Yellow : Everything Else
Amazon.com: Facmogu 2PCS 8in Full Range Audio Speakers, RMS 50W Peak 120W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement - Red : Everything Else