The SPM-435 is built with 4 drivers that operate in separate frequency ranges to minimize distortion. The result is a clearly balanced sound that covers the entire spectrum of human hearing.

• 2 dynamic drivers for bass and low-mid frequencies for rich bass reproduction.
• Balanced drivers that provide precise highs and smooth upper-mid frequencies.
• High resolution, 4 drivers, sound isolation headphones.

Frequency range: 20 Hz - 20 kHz

Sensitivity: 108 db/mW

Impedance: 30 ohms

Connector: mini jack 3.5 mm (1/8)

Cable length: 1.2 meters (4')

Weight: 20 g (0.04 lb)

• Included: EVA foam case, 3 pairs of memory foam buds, 2 pairs of rubber buds
• Color: Transparent
• Compatible accessories: SPM-235 RUBBER, SPM-235 MEMORY, SPM-235 CORD