Drive-thru speaker posts and intercoms: fixing the order point

A drive-thru speaker system is the order point: a post or menu-board box holding an outdoor speaker and a microphone, wired to a base station inside that sends the guest's voice to the crew's headsets. Most bad sound at the post comes from settings, missing foam or worn parts, and a manager can check those before calling a technician.

Intouch Insight's notes on its 2025 drive-thru study say clear speaker systems cut 54 seconds off wait times, and not having to repeat an order saved 1 minute 25 seconds. Headsets, chargers and radio range are in our drive-thru headset guide.

What is inside a drive-thru order point?

Part	What it does	Example from a maker's own documents
Speaker post or enclosure	Weatherproof housing at the driver's window; can stand alone or sit in the menu board or canopy	HME's install guide says to mount at the opening closest to the driver's window level
Outdoor speaker	Plays the crew's voice to the car	PAR lists 4-inch and 5-inch duplex speaker assemblies for G5, plus a speaker weather screen
Microphone	Picks up the guest	HME's DM5 sits in a molded foam enclosure behind the grill, with a foam windscreen in front
Combined speaker and mic	One unit in place of two	HME's SM7000, made for menu boards, speaker posts and enclosures
Acoustic foam	Fills the post and keeps the speaker's sound out of the mic	HME packs foam behind the DM5; PAR sells an acoustic kit for G5
Vehicle detector	Tells the system a car has arrived, then opens the audio	HME's NEXEO plays an arrival tone in the headsets, then the guest's audio
Base station	Holds the volume and noise settings for each lane	NEXEO has separate sliders for customer voice, order-taker voice and arrival tones

Sources: HME's NEXEO | HDX installation guide and user's guide, and a G5 parts and warranty list that PAR posted for Dunkin' franchisees. HME says the speaker must sit flush against the post, with foam pressing its gasket to the grill, to prevent audio problems.

Why can't the guest or the crew hear properly?

The settings named come from HME's EOS | HD manual and NEXEO user's guide; other systems name their controls differently.

Symptom	Likely cause	Check first
Crew can barely hear the guest	Inbound volume low, or noise settings cutting the voice	HME's EOS | HD steps: headset volume, master inbound volume at 13 or higher, inbound noise cancel and echo cancel on, ANC and AVC off, mic type set to the one installed
Crew hears an echo or squeal	Speaker sound looping back into the mic	Start inbound at 13 and outbound at 15, turn echo cancel on, keep the order-taker away from a loud ceiling speaker, and connect one order-taker to the lane at a time
Engine or traffic noise covers the guest's voice	Outside noise reaching the mic	Turn on inbound noise cancel; check the mic's foam windscreen is in place and flush with the grill
Guest hears the fryer or blender	Kitchen noise entering the crew's headset mic	Turn on outbound noise cancel
Guest can't hear the crew early or late in the day	Order-taker voice set low, or automatic volume turning the speaker down when it is quiet outside	Raise the order-taker voice slider; check automatic volume control (AVC)
No greeting, or tones with no car	Detector sensitivity	NEXEO lets you lower sensitivity for "ghost cars", at the risk of missing real ones
Muffled or crackling sound after years or storms	Worn speaker or mic, wet or missing foam	Replace foam and the weather screen; restart the speaker and mic from the base station's troubleshooting tab; call your dealer
Lane 2 hears lane 1	Often after a power surge or lightning, per HME	Cycle power on the base station, then call HME support

Some noise settings can make a quiet voice harder to hear. HME describes automatic noise cancellation as turning outside sound down while the guest pauses, and AVC as lowering the outside speaker during quiet hours. HME's fix for a faint customer voice includes switching both off, so change one setting at a time and listen again.

Plan for wear. PAR's G5 warranty list gives speakers and microphones 6 months against 24 months for the base station, and lists windscreens and other consumables as not warranted.

How do you test the order point after a fix?

1. Park a car at the post with the engine running. One person orders; another listens on a headset inside.
2. Read the same test order each time, including a drink swap and an item with something removed.
3. Repeat from a pickup truck or SUV, since the driver's window sits higher.
4. Stand at the post while the crew talks with the fryer and blender running. Listen for kitchen noise.
5. Test again in the quiet first hour of the morning, when automatic volume controls are most likely to act.
6. Write down every setting you change. NEXEO can save a named snapshot of its settings to restore later.
7. Time the order point before and after with the worksheet in our drive-thru timer guide.

Who makes speaker posts and order point audio?

Each row comes from the maker's own pages or documents.

Maker	Order point parts named	Noise handling it names	AI ordering on its pages	Start here if
HME	SM7000 speaker-mic; DM5 mic with SS7000 or SP10 speaker	Inbound and outbound noise cancel, echo cancel, AVC	NEXEO Pro supports your chosen voice AI provider, with crew takeover	You run HME headsets
PAR	G5 duplex microphone, duplex speakers, weather screen, acoustic kit, Audio Boost DSP board kit	Not described beyond the parts list	Not described on its drive-thru page	You run G5 or older 3M-branded gear
Panasonic	Attune HD powered speaker post microphone	Attune II lists four levels of digital noise reduction and echo cancellation	Not on its Attune pages	You run Attune headsets
Quail Digital	Pro9 speaker and a microphone in an IP64-rated enclosure; one to four lanes	Noise-cancelling algorithms at the speaker post	P9AI interface, back-compatible with Pro9	You run Pro9 or want to add cloud AI later
Delphi (owned by Toast)	Endura 32X display and speaker post mount with a directional mic, speaker and camera	Fanless screen built not to interfere with drive-thru audio	Designed for AI voice ordering; shows the order and a transcript	You want the screen and the post in one unit

For a sense of scale, The Howard Company, a drive-thru fixture maker, prints $400 to $700 for a stand-alone speaker and microphone post on its drive-thru pricing page, and says boxes mounted on a canopy or menu board cost less. Its installation guide puts labor for a headset system at about $1,100 for one lane and $1,400 to $1,800 for two, with equipment extra.

What changes when an AI takes the order?

An AI order-taker works from the audio the post gives it. Fix echo and engine noise before any trial, because a demo on a quiet afternoon will not show them. Vendors reach the guest in one of these ways:

• Through the headset base station. HME's NEXEO user's guide says automated order taking needs a service provider, is off by default and can only be turned on by an installer. The bot sends an escalation when it cannot understand the guest, and a crew member takes over by pressing the lane button on a headset.
• Through a plug-in audio interface. Quail Digital launched its P9AI interface for Pro9 in January 2026, QSR Magazine reported. Quail said adding it later can save up to $2,000 per site compared with buying AI-ready hardware up front.
• With a separate unit at the post. Maple's drive-thru unit stands beside the existing speaker post with its own directional microphone and speaker, so nothing is rewired and headsets keep working. A screen shows the live cart, and a one-press switch returns the lane to normal. It is in early access with a small number of restaurants and is priced per unit.

Ask what the guest hears if the AI stops mid-order, and who on the shift is listening. Our guide to how AI drive-thru ordering works follows one order from the post to the POS.

What should you ask before buying or replacing a speaker post?

1. Your base station. Photograph the model labels on the base, speaker and mic. Replacement parts must match the base; HME's settings, for one, ask which mic is installed.
2. Mounting. Stand-alone post, a box on the menu board, or a canopy. Ask which puts the grill nearest window height for cars and trucks.
3. Foam and weather screens. Ask the dealer to check them at every service visit.
4. Warranty on outdoor parts. Get the months for the speaker and mic in writing, separate from the base station.
5. Detector. Loop or camera, and who repairs it if it stops reading cars.
6. Backup audio. HME's SM7000 wiring includes an optional backup speaker connection to an intercom such as its IC300. Ask what your lane falls back to if the base fails.
7. AI later. Ask whether AI would connect through the base station, a plug-in interface or its own unit, and what that means for the post you are buying now. Maple lists the POS systems its unit writes into on its integrations page.

Published by Maple. This AI-assisted guide combines drive-thru makers' manuals, parts lists and product pages, trade press and Maple's published drive-thru scope with an original troubleshooting table and buyer checklist. It does not rank makers, report hands-on testing, or promise that any setting fixes a particular lane.