E - 737 for heart shape refers to the capacitive microphone pickup way, application in the studio, recording studios, broadcasting stations, stage performances and other professional situations. Cartridge parts using pure gold coating, with low noise. Gao Gan degree of output, and other functions, can be reproduced exactly extremely delicate voice, and be able to pick up the traditional microphone can't pick up the high frequency signal. Ontology end connection using standard XLR connector (female), can match with all kinds of audio equipment.

• Monomer; Gold plated film capacitor microphone
• Directivity: single point
• Frequency: 20 hz - 20 KHZ
• To suppress degrees: - 36 b + 2 db (0 db=1 v/Pa at 1 KHZ)
• The Output impedance: 200 Ω plus or minus 30% (at 1 KHZ)
• The equivalent noise level: 14 db
• The loudest level: 135 db (at 1 KHZ T.H.D 1% or less)
• The Using voltage: 48 v phantom power supply
• The Size; 50 * 165 mm MMM