Receivers and speakers

Dynamic speakers

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Knowles dynamic speakers are designed to maximize space efficiency and provide superior audio performance for voice and music in small, slim consumer devices, such as mobile handsets or smartphones.
Knowles dynamic speakers are available in various sizes and performance levels, which can be customized to meet your specific requirements. Dedicated support is provided to realize the optimal sound performance in your application.
To assure highest quality standards, the speakers are manufactured in a process that uses 100% in-line measurement of all specified acoustical and electrical parameters.

Features

• High quality and robustness
• Maximized space efficiency
• Excellent audio performance-to-size ratio
• Optimized for all mobile sound applications (handsfree and ringtone)
• Multi-functional devices including vibration
• Dedicated application support

Product Families Model ID Dimensions Sensitivity Air Pump Capacity Typical Backvolume f0 (Hz) Frequency Range(Hz) Nominal Power (mW) SPL Max (@ max sine power) Downloads
DYN-SPKR 2403 260 00001 11 x 15 x 3.5 73dB 69mm&sup3 1 cm 800 650 – 16000 500 89dB (350mW)
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(43.80 kB)
DYN-SPKR 2403 260 00057 13 x 18 x 4.5 73dB 140mm&sup3 1 cm 650 500 – 16000 700 91.5db (700mW)
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(42.72 kB)
DYN-SPKR 2403 260 00058 13 x 18 x 4.5 76dB 100mm&sup3 1 cm 900 700 – 16000 700 94.5dB (700mW)
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(41.93 kB)
DYN-SPKR 2403 260 00086 9 x 16 x 3 70.5dB 55mm&sup3 1 cm 850 700 – 20000 500 87.5dB (500mW)
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(46.46 kB)
DYN-SPKR 2403 260 00089 11 x 15 x 4.0 73dB 69mm&sup3 1 cm 750 650 – 16000 500 89dB (420mW)
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(36.61 kB)
DYN-SPKR 2403 260 00091 11 x 15 x 3.5 74dB 81mm&sup3 1 cm 850 700 – 20000 1000 94dB (1000mW, f>1kHz)
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(82.88 kB)
DYN-SPKR 2403 260 00098 11 x 15 x 4 73.5dB 81mm&sup3 1 cm 780 700 – 20000 1000 93.5dB (1000mW)
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(48.03 kB)
DYN-SPKR 2403 263 00077 16 x 4.7 (with integrated vibrator function) 74dB 90mm&sup3 2 cm 740 650 – 15000 500 91dB (500mW)
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(43.45 kB)