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Miniature Rectangular Loudspeaker 40 x 20mm
(Top | 40x28mm | 57x23mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 36mm | Round 45mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature low profile rectangular loudspeaker with high power handling capacity, available in 4Ω and 8Ω versions. Most sound cards specify use of a 8Ω speaker, lower impedance could cause the audio amplifier to overheat and shut down; best to use 2 of the 4Ω speakers wired in series.
Connections are via solder pads on the rear of the speaker (see More Images tab).
Power (Nominal) 2.0 W Power (Maximum) 3.0 W Impedance 4Ω or 8Ω ± 15% ohms Resonant Frequency 400 ± 20% Hz Sound pressure level (1W, 0.5M Average at 0.8,1.0,1.2,1.5KHz) Frequency range 200Hz ~ 20KHz Housing Material Metal Magnet Size 11 x 1.5mm Magnet Material Nd-Fe-B Operating Temperature -20°C ~ +60°C Storage Temperature -30°C ~ +70°C Weight 7.6g ± 5%
40x20 Speaker Drawing
40x20 Speaker, Front face
40x20 Speaker, Rear face showing solder pads
£ 3.35
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4 ohm
8 ohm Micron is closed until 2nd November
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Miniature Rectangular Loudspeaker 40 x 28mm 4 ohm
(Top | 40x20mm | 57x23mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 36mm | Round 45mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature 4Ω, 4W max, loudspeaker. Most sound modules specify use of a 8Ω speaker, a lower impedance speaker used at high volume could cause the audio amplifier to overheat and shut down. Using this 4Ω speaker should be OK at low volume and with plenty of air circulation around the sound module; if in doubt, use 2 of these wired in series.
Connections are via solder tags on the rear of the speaker (see More Images tab).
Power Nominal 2.0 W Power Maximum 4.0 W Impedance 4 ± 15% Ohms Resonant Frequency 380 ± 20 %Hz Sound Pressure Level (Average at 1W, 1M - 0.8,1.0,1.2,1.5KHz) Frequency Range 0-20,000 KHz Cone Material Black Cloth Edge and Paper Cone Housing Materials ABS (Black) Operating Temperature -20 ~ +60°C Storage Temperature -30 ~ +70°C Weight 12g ± 5%
40x28 Speaker Drawing
40x28 Speaker, Front face
40x28 Speaker, Rear face showing solder pads
£ 5.15
Micron is closed until 2nd November
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Miniature Loudspeaker Rectangular 57.5 x 23mm
(Top | 40x20mm | 40x28mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 36mm | Round 45mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature 8 ohm rectangular loudspeaker 2w max, with mounting lugs and 180mm lead.
The lead is terminated with a 2 pin Molex Picoblade plug.
Rated impedance 8Ω ±15% Nominal power 1W Maximum power 2W Resonant frequency 700Hz ±20% Frequency range 0Hz to 20kHz Sound output level 93dB ±3dB Dimensions (excluding lugs) 57.5 x 23 x 14.85mm Weight 38g
57x23 Speaker Drawing
£ 9.00
Micron is closed until 2nd November
Miniature Loudspeaker 28mm Round 8 Ohm
(Top | 40x20mm | 40x28mm | 57x23mm | Round 30mm | 28x31mm With Cavity | Round 36mm | Round 45mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature low profile round loudspeaker with 2W power handling capacity.
£ 2.65
Micron is closed until 2nd November
Miniature Loudspeaker 30mm Round 8 Ohm
(Top | 40x20mm | 40x28mm | 57x23mm | Round 28mm | 28x31mm With Cavity | Round 36mm | Round 45mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature low profile round loudspeaker with 2W power handling capacity, 5.5mm thick.
£ 2.65
Micron is closed until 2nd November
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Small Cavity Loudspeaker 28x31mm 8 Ohm
(Top | 40x20mm | 40x28mm | 57x23mm | Round 28mm | Round 30mm | Round 36mm | Round 45mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature round loudspeaker mounted in a baffle cavity; 8 ohm, 3W power handling.
£ 4.80
Micron is closed until 2nd November
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Miniature Loudspeaker Round 36mm
(Top | 40x20mm | 40x28mm | 57x23mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 45mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature waterproof 8 ohm round loudspeaker 1w nominal, 2w max. Its 6mm thickness makes it suitable for applications where slim construction is needed. Being weatherproof, it is particularly suited to outdoor use.
Rated power 1W Maximum power 2W Nominal impedance 8Ω Frequency response –10dB 300-20000Hz Mean sound pressure level 77dB Maximum cone displacement 0.5mm Resonance frequency 550Hz Voice coil diameter 10mm Height of winding 2mm Cutout diameter 31mm Overall diameter 36mm Net weight 6g
36mm dia Speaker Drawing
£ 6.95
Micron is closed until 2nd November
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Visaton FRWS 5 R (45mm)
(Top | 40x20mm | 40x28mm | 57x23mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 36mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature 8 ohm round loudspeaker 4w nominal, 10w max.
This is an ideal size speaker for fitting into a 50mm internal diameter plastic tube as a baffle.
Rated power 4W Maximum power 10W Nominal impedance 8Ω Frequency response –10dB 150-20000Hz Mean sound pressure level 84dB Maximum cone displacement 4mm Resonance frequency 320Hz Voice coil diameter 14mm Height of winding 3mm Cutout diameter 45mm Overall diameter 50mm Net weight 87g
45mm dia Speaker Drawing
£ 12.85
Micron is closed until 2nd November
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Visaton BF 45
(Top | 40x20mm | 40x28mm | 57x23mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 36mm | Round 45mm | Round 50mm | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A miniature 8 ohm round loudspeaker 4w nominal, 8w max and with low resonant frequency.
This is an outstanding speaker with excellent low frequency reproduction, ideal for use with a MyLocoSound sound module.
Rated power 4W Maximum power 8W Nominal impedance 8Ω Frequency response –10dB 90-20000Hz Mean sound pressure level 79dB Resonance frequency 158Hz Voice coil diameter 17mm Height of winding 4mm Cutout diameter 45mm Overall diameter 61mm Net weight 32g
BF45 Speaker Drawing
£ 21.00
Micron is closed until 2nd November
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Visaton 2901 K 50 (50mm)
(Top | 40x20mm | 40x28mm | 57x23mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 36mm | Round 45mm | BF45 | Miniature Loudspeaker Round 64mm | Mtroniks 80mm )
A high quality 5cm round speaker particularly well suited to outdoor applications, 2w nominal, 3w max.
Rated power 2W Maximum power 3W Nominal impedance 8Ω Frequency response –10dB 180-17000Hz Mean sound pressure level 86dB Resonance frequency fs 300Hz Voice coil diameter 10mm Cutout diameter 46mm Net weight 48g Protective system IP65
50mm dia Speaker Drawing
£ 4.20
Micron is closed until 2nd November
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Miniature Loudspeaker Round 64mm
(Top | 40x20mm | 40x28mm | 57x23mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 36mm | Round 45mm | BF45 | Round 50mm | Mtroniks 80mm )
A small, low-profile 8 ohm round loudspeaker 4w nominal, 10w max.
£ 10.55
Micron is closed until 2nd November
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Mtroniks Waterproof Loudspeaker Round 80mm
(Top | 40x20mm | 40x28mm | 57x23mm | Round 28mm | Round 30mm | 28x31mm With Cavity | Round 36mm | Round 45mm | BF45 | Round 50mm | Miniature Loudspeaker Round 64mm )
A robust waterproof 8 ohm 12W speaker as used in the Mtroniks digiSound sound module sets. Fitted with 300mm wires and 2pin 2.54mm pitch plug.
£ 10.55
Micron is closed until 2nd November
