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Compressor

dbx 160A

The dbx 160A is the spiritual successor to the legendary 160 series — a single-channel VCA compressor that has been on more touring lead-vocal channels than any other piece of outboard gear. Hard-knee characteristics, OverEasy switchable, peak limiter built in. Most engineers slot it on lead vox and drum bus where its quick attack and consistent gain reduction earn it years of road work.

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Discontinued. Dropped by Sweetwater/major retail 2025-2026; dbx-direct only. Price reflects last new street. Kept for owners — classic still in countless racks.

Photos

Manufacturer product photography — the drawn faceplate stays true to panel layout; these show the hardware itself.

Photo: dbx1 / 2
Documented outputs
1One destination connection
Documented inputs
3Based on documented inputs
Rack space
1U · half-rackBuilder checks available rail space
Power draw
12W15W documented maximum
Catalog estimate
~$769Use retailer rows for current price and stock

01 · What it does—and what that changes in your rig.

Product overview

Start with the payoff, then work through how it functions, where it fits, and the details that change a real build.

The payoff

Compressor decisions, organized around the whole rig.

The dbx 160A is a single-channel VCA compressor that has earned its place as a touring-rack staple the hard way — through decades of consistent, predictable behavior on lead-vocal channels and drum buses across every size of venue. It carries the lineage of the original 160 series, offering both hard-knee compression and the switchable OverEasy mode that softens the threshold knee for sources that need a gentler on-ramp. A built-in peak limiter adds a second line of defense without requiring a separate unit, which matters when rack space is already spoken for.

Documented outputs
1One destination connection
Documented inputs
3Based on documented inputs
Rack space
1U · half-rackBuilder checks available rail space
dbx 160A compressor — rear panel with IEC mains, XLR and TRS input and output
Photo: dbx1U · half-rack · 12W
Function

How it works in the path

At load-in, the 160A's half-rack footprint is either its best feature or a minor logistical puzzle depending on how your rack is built. You need a half-rack shelf or a paired unit to fill the 1U slot cleanly — plan for that before the truck arrives. The XLR in and out keep your signal path professional and solid, and the side-chain detector TRS jack lets you feed an external key signal if you're doing anything like de-essing or ducking without an additional processor. At 12 watts nominal draw, it's a negligible load on your conditioner, and the 200mm depth fits comfortably in a shallow utility rack.

Best fit

Where it earns its place in the rack

If you're running a live vocal chain and want a compressor that behaves the same way every night without asking much of you, the 160A is a defensible choice at $769 — it's not cheap, but it's not experimental either. Where it makes less sense is stereo work: you'd need two units and a way to link them, which gets expensive fast. Engineers chasing a completely transparent, colorless compressor may also find the 160A's character more present than they want. For those cases, a stereo or dual-channel alternative is a better fit. But for a single critical channel in a touring IEM or monitor rig, it's hard to argue with the track record.

In the rack

Details worth deciding before load-in.

  • If you're pairing two 160As in a 1U slot, confirm your rack shelf has the correct mounting ears — dbx's own half-rack adapter bracket keeps them from rattling loose after a few show days on the road.
  • Use the detector TRS input to feed a high-passed copy of the vocal signal from your console's insert send; this lets the compressor react to the body of the voice rather than low-end rumble from stage, tightening up the gain reduction behavior significantly.
  • Set the peak limiter as a true ceiling, not as the primary dynamic tool — dial your compression ratio and threshold first, then bring the limiter in just below clip to protect downstream gear, not to do the heavy lifting.
  • In an IEM rig, place the 160A post-console insert on the lead-vocal channel before the IEM transmitter feed so artists hear consistent, compressed audio in their ears regardless of how the vocalist is riding the mic.

02 · Know the whole path before you buy.

Signal path

Learn the route as a block diagram: source, product function, transport, and destination. Select any block to see what enters, what changes, and what leaves.

Interactive block diagramAuto-looping · hover, focus, or tap to hold a stage
Port-type signalProduct functionSystem boundary
Follow one signal from source to destination

Each block answers the same three questions: what arrives, what changes here, and what leaves.

01 · Source · selected
01 · Source

3 documented inputs

XLR female + ¼-inch TRS

Arrives as
3 documented inputs
Connector
XLR female + ¼-inch TRS
Signal
analog audio

03 · What this product asks of the rest of the system.

Compatibility

Treat connector names as the start of the check—not the answer. These are the boundaries that determine a complete working path.

Best fit · Compressor

Use it when 1U · half-rack and 200 mm of depth fit the case.

Plan the companion path

Complete the path with upstream and downstream gear that matches connector, direction, signal type, protocol, and wiring standard.

Connector boundary

Documented connectors: XLR female, XLR male, ¼-inch TRS, IEC C14. Match connector, direction, and signal type—not shape alone.

04 · Every connector, grouped by job.

I/O ports

Switch the product view and the documented port inventory updates with it—hardware and data stay side by side.

Every connector, grouped by job.

Switch panels to keep the hardware view and the documented port list in sync.

Front panel
dbxTHRESHOLD · RATIO · OUTPUTGAIN REDUCTION160A
Rear panel
dbx160A
All documented ports for dbx 160A
PortPanelConnectorDirectionSignalChannels
InputrearXLR female inputanalog audio—
OutputrearXLR male outputanalog audio—
Detectorrear¼-inch TRS inputanalog audio—
AC (captive)rearIEC C14 inputpower—

Showing 4 of 4 documented physical ports.

05 · Compare the decision, not just the price.

Alternatives

The rows are organized around fit, power, I/O, and system role so a cheaper unit cannot hide a more expensive workflow.

Compare
dbx 160A compressor — front panel
dbx 266xs Compressor/Gate — front panel
Fit📐 1U · half-rack📐 1U📐 1U📐 1U
Power⚡ 12W⚡ 15W⚡ 18W⚡ 15W
Weight⚖️ 6.0 lb⚖️ 4.8 lb⚖️ 7.9 lb⚖️ 7.9 lb
I/O🔌 4🔌 11🔌 7🔌 6
Estimate💵 ~$769💵 ~$280💵 ~$1,279💵 ~$1,799
Deep diveCurrent selectionFull comparison →Full comparison →Full comparison →

06 · Resolve the questions that can change the purchase or build plan.

Planning questions

Short, source-backed answers surface rack fit, power, cabling, and connection details before they become surprises.

How will the dbx 160A affect rack fit and case depth?

It occupies 1U · half-rack. Its documented depth is 200 mm.

How much power does the dbx 160A draw?

Typical draw is 12W and documented maximum draw is 15W.

What connections does the dbx 160A have?

4 documented physical ports, including Input, Output, Detector, AC (captive).

Is the dbx 160A discontinued?

Dropped by Sweetwater/major retail 2025-2026; dbx-direct only. Price reflects last new street. Kept for owners — classic still in countless racks.

07 · See this unit inside a real rack plan.

Builder preview

Placement is only the start. Builder checks space · depth · weight, power headroom, dependencies, and compatible signal paths around this exact catalog item.Open in Builder
160A positioned in a rack planA simplified plan shows the unit taking 1 rack units, with its documented connection path continuing to a planned destination.dbx160ACONNECTED GEARnext signal destination1U · 200 mm deep

08 · Related gear, in the order you may need it.

Planning guides for compressor systems.