HSD Sound Systems · Monitor

HSD Reference 12

Name: HSD Sound Systems Reference 12
Brand: HSD Sound Systems
SKU: Ref12
Price: 2400.00 USD
Availability: InStock

Model Ref12

Coaxial 12-inch reference monitor for booth and stage.

The Reference 12 is a high-performance coaxial point-source speaker engineered for exceptional clarity and adaptability in professional booth and stage monitoring. Its 80 x 80-degree coaxial design delivers superior reproduction in compact spaces, with variable mounting solutions for broader install use. Available passive or powered with built-in 3,000 W amplification and premium integrated DSP with FIR capabilities. Hand-built by Hennessey Sound Design in Massachusetts, and backed by a 5-year limited warranty.

$2,400 retail, passive version

Built to order. Quote includes freight, system design, and current lead time.

Request Quote Call 210.489.0492

Most quotes sent same business day. Real people, no scripts.

HSD Sound Systems Reference 12 monitor by Hennessey Sound Design

Amplification

Passive or powered, your choice

The Reference 12 is available passive ($2,400, bi-amped: LF 500 W / HF 80 W at 8 ohms per section) or powered ($3,900) with built-in 3,000 W amplification and integrated DSP with FIR capabilities.

2 versionspassive $2,400 / powered $3,900

Format

Coaxial12″ LF + HF compression driver

Coverage

80×80degrees (H × V)

Response

65Hzto 20 kHz (-3 dB); 50 Hz at -10 dB

Weight

44 lbs16.375″ W × 23.25″ H × 16″ D

Full specifications

HSD Reference 12 (Ref12) specs

Factory specifications from Hennessey Sound Design. Download the cut sheet for drawings and driver details.

Frequency Response	65 Hz - 20 kHz (-3 dB); 50 Hz - 20 kHz (-10 dB)
Sensitivity	HF 106 dB / LF 100 dB (1W/1m)
Drivers	12" coaxial (12" LF with HF compression driver)
Power Handling	LF 500 W / HF 80 W continuous (1,000 / 160 W program); powered version: built-in 3 kW amplification with DSP/FIR
Impedance	8 ohms nominal per section
Coverage	80 x 80 degrees (H x V)
Dimensions	16.375" W x 23.25" H x 16" D
Weight	44 lbs
Connectors	2 x XLR (input/output) or 2 x NL4

HSD Reference 12 cut sheet (PDF)

Why buy from Fullblast

An HSD system is a build, not a box. We manage the whole thing.

Authorized HSD dealer

Fullblast Sound is one of only three authorized HSD Sound Systems dealers in the United States. Factory pricing, factory support, and a direct line to the Massachusetts shop on every order.

Real dealer support

We spec the system against your room and application, handle freight and logistics, and stay on call after delivery. Talk to us before you order and we will get the design right the first time.

Nationwide freight

Every HSD cabinet ships crated freight from the factory. We quote and coordinate delivery to your dock or venue anywhere in the country as part of the system price.

Financing available

Spread an HSD system across payments instead of a single check. See financing options or ask for terms with your quote.

Get a real quote

Send a system spec, not a price shopping number

Tell us the room, the audience size, and what you run today. We come back with the right HSD build, amplification, freight, and current factory lead time. One short form.

Request Quote Or call 210.489.0492

Same business day response.

Buyer research

Questions buyers ask about the Reference 12

Common pre-purchase questions on the HSD Reference 12.

Why a coaxial design for monitoring?

In a booth or on a wedge line you are standing close to the box, where separate LF and HF drivers smear into two arrival points. The Reference 12's HF compression driver fires through the center of the 12″ LF cone, so the whole spectrum arrives from one point with a symmetric 80 × 80-degree pattern, near-field reproduction that stays coherent when the performer moves.

Passive or powered Reference 12?

Powered ($3,900) carries built-in 3,000 W amplification and premium DSP with FIR filters, XLR in, done. Passive ($2,400) is bi-amped (LF 500 W / HF 80 W continuous, 8 ohms per section): two channels of an HSD KP Series amp run one cabinet, so a four-channel KP drives a pair with all processing in the rack.

How does it mount?

Variable mounting solutions cover booth, stage, and install duty, including pole-mount compatibility with the DJ18 subwoofer monitor below it, the two are designed as a stack. At 44 lbs it is the lightest cabinet on this page by a wide margin.

Are there other sizes in the monitor line?

Yes, HSD builds a full monitor package: the compact Reference 8 ($1,400), the Source 15 ($1,900 passive / $3,200 powered), and the DJ21 ($3,300 / $5,500). All are listed in the additional products table on our HSD hub page; ask us to spec the right booth package.

System design