Speakers
Speaker vs Transducer?
What's the difference? A simple explanation is that a speaker works by moving its cone, which causes air to move around, creating an audible sound. A transducer works by moving an object or surface, in contact, causing that object or surface to move air to create the sound.
Who invented the loudspeaker?
The dynamic speaker was invented by Edward W. Kellogg and Chester W. Rice, in 1925. A US Patent was issued on the 2nd of April 1929.
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Speaker, 40mm Diameter, 4 Ohm, 3 Watt
Proto-PIC
£3.50Speaker, 40mm Diameter, 4 Ohm, 3 Watt Also tiny in size this small loud speaker packs a surprising punch. It has a 36mm External Magnet. 3 Watt Speaker Dimensions:£3.50 -
Wee Speaker, Mini Oval, 8 Ohm, 1 Watt
AdaFruit
£2.15Wee Speaker, Mini Oval, 8 Ohm, 1 Watt Listen up! This wee speaker is a great addition to any audio project where you need 8 ohm impedance and 1W or less of power. We particularly like this speaker as it is small and comes with nice skinny wires with a...£2.15Qty in Cart: 0Price:£2.15Subtotal: -
Speaker, 3" Diameter, 4 Ohm, 3 Watt
AdaFruit
£2.15Speaker, 3" Diameter, 4 Ohm, 3 Watt Hear all about it! This 3" diameter speaker cone is the perfect addition to any audio project where you need a 4-ohm impedance and 3W or less of power. We particularly like this cone as it has 4 handy mounting tabs...£2.15Qty in Cart: 0Price:£2.15Subtotal: -
Speaker - 0.5W 8Ohm
Sparkfun
£2.75Speaker - 0.5W 8Ohm A small audio speaker that is ideal for radio and amplifier projects and is small enough to fit in robot projects. Features: Small Size Power rating: 0.5W Impedance: 8 ohm Dimensions: Diameter: 50mm Height: 16mm Base Diameter: 28mm£2.75 -
2W 4 Ohm Electrodynamic Exciter
Proto-PIC
£3.752W 4 Ohm Electrodynamic Exciter This is a 2W Exciter/vibrator with 4ohm impedence, perfect for hobby projects requiring a simple speaker output.Measuring 27mm in diameter, the exciters compact form means it can be easily attached and detached to a range...£3.75Qty in Cart: 0Price:£3.75Subtotal: -
Mini Speaker - Buzzer - PC Mount 12mm - 2.048KHz
Proto-PIC
£1.50Mini Speaker - Buzzer - PC Mount 12mm - 2.048KHz This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces.This is not a true piezoelectric speaker but behaves...£1.50 -
Speaker, 30mm Dia, 8 ohm, PCB Mounted
Sparkfun
£1.60Speaker, 30mm Dia, 8 ohm, PCB Mounted This through-hole PCB Mount Speaker is great for projects where you need something that sounds better than a piezo buzzer yet don’t have room for a full-blown speaker. This 30mm diameter speaker is encased in...£1.60