BOSCH LH2-UC15E Marine horn speaker , ลำโพงฮอร์น , ลำโพงฮอร์นเสียงดี , ลำโพงฮอน , ลำโพงฮอร์นกลางแจ้ง

Maximum power             22.5 W

Rated power (PHC)         15 W

Power tapping  15 / 7.5 / 3.75 / 1.87 W

Sound pressure levelat rated power / 1 W (1 kHz, 1 m)   120 / 108 dB (SPL)

Sound pressure levelat rated power / 1 W (1 kHz, 4 m)(reference axis 0 degrees, free field)        102 / 90 dB

Effective frequency range(- 10 dB)          300 Hz to 9 kHz

Opening angle at 1 kHz / 4 kHz(‑6 dB)      119° / 38°

Rated input voltage        70 / 100 V

Rated impedance            334 ohm (15 W at 70 V)667 ohm (7,5 W at 70 V / 15 W at 100 V)1333 ohm (3,75 W at 70 V / 7,5 W at 100 V)2667 ohm (1,87 W at 70 V / 3,75 W at 100 V)5347 ohm (1,87 W at 100 V)

Electrical connection       6‑pole screw terminal

Acceptable wire gauge  1.0 – 2.3 mm

Dimensions (L x D max) 302 x 212 mm(11.89 x 8.35  in)

Weight 2.25 kg (4.96 lb)