R-TECH 350210 Miniature Loudspeaker Rectangular 40x28mm 4 Ohm

R-TECH-Miniature-Rectangular-Loudspeaker-40-x-28mm-4-Ohm-R-TECH-350210-P-A-miniature-4-Omega-loudspeaker-that-features-high-power-handling-capacity-P-R-TECH-350210-Miniature-Loudspeaker-Rectangular-40x28mm-4-Ohm

Price: £ 4.75 from Rapid Online Rapid Electronics Ltd.