Receivers and speakers

Dynamic speakers

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)	Tech specs (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)	Tech specs (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)	Tech specs (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)	Tech specs (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)	Tech specs (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)	Tech specs (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)	Tech specs (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)	Tech specs (43.45 kB)