The Sovereign Reference
A dual-monaural reference system anchored by world-class floor-standing speakers, valve amplification, and precision room treatment. Pure, uncompromising fidelity.
Enquire About This SystemCustom Home Theater · Audiophile Speaker Systems
Handcrafted home theater systems and audiophile speaker installations for discerning clients in Dover, PA and Scottsdale, AZ.
Our Story
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David Barkby
Founder & Lead Designer, In Depth Audio
20+
Years of Craft
What We Do
Every system we design is purpose-built for the space, the listener, and the experience you deserve.
From the initial room assessment through final calibration, we engineer every detail of your private cinema — screen geometry, sight lines, lighting, acoustics, and seating — into a seamless, breathtaking whole.
We source and configure the world's finest loudspeakers — from floor-standing reference monitors to bespoke built-ins — matched precisely to your room, your amplification, and your listening preferences.
Great equipment demands a great room. Our acoustic treatment designs are both scientifically precise and architecturally beautiful — bass trapping, diffusion, and absorption that enhances rather than diminishes your space.
Reference-grade projectors, 8K displays, Dolby Atmos processors, and whole-home automation — sourced, integrated, and calibrated by certified specialists with meticulous attention to signal path and power.
Signature Collections
Each system is unique. Each installation is a collaboration between client vision and acoustic science.
A dual-monaural reference system anchored by world-class floor-standing speakers, valve amplification, and precision room treatment. Pure, uncompromising fidelity.
Enquire About This SystemA fully integrated Dolby Atmos home theater with reference-class projection, motorized masking screen, and invisible whole-home AV routing — controlled from a single touch.
Enquire About This SystemFully bespoke acoustic architecture — custom-fabricated wall panels, bespoke diffusion geometry, and integrated lighting design that transforms listening rooms into singular works of art.
Enquire About This SystemEvery engagement begins with a private conversation.
Begin Your ProjectBegin Your Journey
Tell us about your vision. Every project begins with a confidential, no-obligation conversation with David Barkby personally.