For all those, the tailor-made STEG UPGRADE speaker systems offer the perfect alternative that opens new horizons of sound.
The 2-way coaxial system BZ40D provides much better precision and dynamics across the whole frequency combined with a fantastic treble resolution thanks to its 20 mm silk dome tweeter.
Especially in combination with one of our DSP amplifiers, these speakers reveal their full potential in respect of dynamics.

Specifications:

• Cone paper: Special rubber edge+ Aluminum(MID)
• Cone paper: PEI (Tweeter)
• DCR Impedance: 4.0 Ω
• Maximum power: 30 W
• Frequency Range: 110-20000Hz
• Sensitivity 1W/1M: 86dB
• Qms: 2.6
• Qes: 1.07
• Qts: 0.76
• Mms: 5.65G
• Vas: 1.25 L
• Weight: 0.18 KG
• Mounting Depth: 42.0 mm
• Mounting Diameter: 101.0 mm

For all those, the tailor-made STEG UPGRADE speaker systems offer the perfect alternative that opens new horizons of sound.
The 2-way coaxial system BZ40D provides much better precision and dynamics across the whole frequency combined with a fantastic treble resolution thanks to its 20 mm silk dome tweeter.
Especially in combination with one of our DSP amplifiers, these speakers reveal their full potential in respect of dynamics.

Specifications:

• Cone paper: Special rubber edge+ Aluminum(MID)
• Cone paper: PEI (Tweeter)
• DCR Impedance: 4.0 Ω
• Maximum power: 30 W
• Frequency Range: 110-20000Hz
• Sensitivity 1W/1M: 86dB
• Qms: 2.6
• Qes: 1.07
• Qts: 0.76
• Mms: 5.65G
• Vas: 1.25 L
• Weight: 0.18 KG
• Mounting Depth: 42.0 mm
• Mounting Diameter: 101.0 mm