M-1

Micro speakers

334495Size φ20mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 0.3WMaximum Power 0.6WResonance Frequency 620Hz ± 100HzFrequency Response 350Hz - 20kHzSound Pressure Level 77 0dB ± 2dBNet Weight 2.5g

■Specifications

φ20 3.2

© FOSTER ELECTRIC CO., LTD. All Rights Reserved.

411587Size φ28mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 0.5WMaximum Power 1.0WResonance Frequency 560Hz ± 120HzFrequency Response 270Hz - 20kHzSound Pressure Level 77 5dB ± 2dBNet Weight 5.2g

■Specifications

φ28 6

418382Size φ28mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 1.0WMaximum Power 2.0WResonance Frequency 600Hz ± 90HzFrequency Response 300Hz - 20kHzSound Pressure Level 79 0dB ± 2dBNet Weight 5.1g

■Specifications

φ28 5.9

022712Size φ32mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 0.5WMaximum Power 1.0WResonance Frequency 540Hz ± 90HzFrequency Response 300Hz - 6.5kHzSound Pressure Level 81 0dB ± 2dBNet Weight 6.8g

■Specifications4.6φ32

434156Size φ36mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 0.5WMaximum Power 1.0WResonance Frequency 570Hz ± 90HzFrequency Response 400Hz - 5.2kHzSound Pressure Level 83 0dB ± 2dBNet Weight 7.5g

■Specifications

4.6φ36

022857Size φ40mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 0.5WMaximum Power 1.0WResonance Frequency 470Hz ± 80HzFrequency Response 250Hz - 5.5kHzSound Pressure Level 81 5dB ± 2dBNet Weight 8.5g

■Specifications

4.75φ40

M-2

Micro speakers

420998

022948

043961

421029

Size φ50mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 0.5WMaximum Power 1.0WResonance Frequency 390Hz ± 60HzFrequency Response 250Hz - 4kHzSound Pressure Level 88 5dB ± 2dBNet Weight 16 9g

■Specifications

Size 40 x 20mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 1.0WMaximum Power 2.0WResonance Frequency 480Hz ± 96HzFrequency Response 260Hz - 20kHzSound Pressure Level 79 5dB ± 2dBNet Weight 6.9g

■Specifications

20

40

8.5

φ50 5.2

Size 40 x 28 5mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 1.0WMaximum Power －Resonance Frequency 485Hz ± 100HzFrequency Response 220Hz - 3.2kHzSound Pressure Level 78 5dB ± 2dBNet Weight 8.7g

■Specifications

+

9.3φ45Size φ45mmType DynamicImpedance 8.0Ω ± 15%Nominal Power 1.5WMaximum Power 3.0WResonance Frequency 600Hz ± 100HzFrequency Response 300Hz - 5kHzSound Pressure Level 82 0dB ± 2dBNet Weight 12 5g

■Specifications

1128.5

40

USB speaker

628421Speaker driver φ50mmSound Pressure Level 93dB (@1kHz, 0dBFS)Water Proof IPX5Dust Proof IP4 / IP5Input USB A Type (USB audio class 1.0 or more)Current Usage 200mA (@ 1kHz, 0dBFS)Net Weight 90g

■Specifications

© FOSTER ELECTRIC CO., LTD. All Rights Reserved.

1500

±70

2xΦ3.5

Φ3.8Φ68

(Φ77.5)

(24)

(Φ59.3)

3x120°