Audison Prima APX 4 4" 10cm 2-Way Coaxial Car Stereo Speaker 40w RMS - 1 Pair Monoblock Amplifier Helix Extension Card - High

Helix Extension Card - High Definition Bluetooth Input Module for DSP PRO / MK2

Height 2-3/8" Width 12-1/16" Depth 7-3/16" Continuous Watts 1200 x 1 @ 2 ohmNumber of Channels 1 Crossover Variable low-pass (50-200Hz) Amplifier Class and Type Class D High-Pass Filter Fixed (25Hz) Low-Pass Filter Variable (50-200Hz) Line-Level Input Yes Speaker-Level Input Yes Crossover Frequency Range 50-200Hz Bass Boost Yes Signal-to-Noise Ratio 95dB

It plays DAB/DAB+ Digital Radio

Front: 30mm

CX Amplifiers set the curve for smaller footprints with monoblock models measuring under 12-1/2 inches long

Audison Prima APX 4 4" 10cm 2-Way Coaxial Car Stereo Speaker 40w RMS - 1 Pair Monoblock Amplifier Helix Extension Card - HighBrand New Audison Prima APX 4" APX 4 features a concentric coaxial tweeter: with one single point of sound emission its possible to obtain a consistent in phase response, with consequent reconstruction of the acoustic scene comparable to a system of separate woofer + tweeter. The 4" cones surround featuring the exclusive shallow Triple Wave profile, for maximum excursion linearity. Technical DataComp Two way coaxialSize Woofer 100 mm (4") Tweeter