Supplied and fitted at our workshop in Newton Abbot, Devon
Product Description
A strong step up in sound performance for your Defender. The Audison Prima APX 4 coaxials add clarity and detail to your front stage, while the compact Hertz Dieci DBA 201F active subwoofer delivers tight, punchy bass from under the seat. This combination ensures you’ll finally feel the low-end that factory setups miss — without taking up boot space.
What’s Included
Front: Audison Prima APX 4 coaxials
Bass: Hertz Dieci DBA 201F active 8” under-seat subwoofer (built-in amplifier)
8-gauge wiring kit for safe power delivery
Entry-level sound deadening (upgrade to 3-layer available)
Supplied & fitted with 5-year parts and labour warranty
Speaker Specs – Audison Prima APX 4
100mm (4”) coaxial, 35W RMS / 70W Peak
Frequency response: 80Hz – 23kHz
Sensitivity: 91 dB, 4Ω
Subwoofer Specs – Hertz Dieci DBA 201F
200mm (8”) flat active subwoofer
140W RMS / 280W Peak
Built-in Class D amplifier
Frequency response: 32Hz – 400Hz
Adjustable low-pass crossover & gain
Slimline enclosure fits neatly under Defender seats

