Denon receiver models: S vs X series compared
S-series is Denon's entry tier — base Audyssey MultEQ, three HDMI 2.1 ports on the S760H; X-series buys MultEQ XT or XT32, more HDMI 2.1, and from the X3800H four subwoofer outputs. The Denon receivers we track, compared tier by tier, with a price ladder that doesn't always match the tier names. Plus the one HDMI story the spec sheets leave out.
Which Denon AV receiver should you buy?
For most home theaters, the Denon AVR-X1800H at $549.99 — and you step up to the AVR-X3800H only when you specifically need more amplified channels or more subwoofer outputs. That's the honest version, and today's tracked prices make it sharper than the tier names suggest: the mid-tier AVR-X2800H tracks at $1,299 — more than double the X1800H — for about 0.7 dB of extra power and, in our data, exactly one connectivity gain — a second HDMI output, which matters if you run a projector and a TV off one receiver and not otherwise — against a lower stated processing-channel count (7 vs 9). If you're deciding between exactly those two, our X2800H vs X1800H comparison lays it out spec by spec. Cross-shopping the S-line against it? Our X1800H vs S760H comparison covers the rung below, and X1800H vs S970H the one that sits alongside it. This guide is the map of the whole ladder.
What is the difference between Denon's S and X series?
S is the entry line and X is everything above it, and the difference that actually shows up in our data is room correction, HDMI connectivity and subwoofer outputs. Channel count is not the divider, even though it is the shorthand most explanations reach for — the S line spans both. The AVR-S570BT at the bottom of it is a five-channel receiver, five amplified channels and no height capability in our curated data; the AVR-S760H and the S970H above it are seven-channel, exactly like the X1800H a rung further up. So “S means five channels” describes the entry model and nothing else in the line. What the X-series buys instead: the better Audyssey MultEQ XT room correction rather than base MultEQ (and MultEQ XT32 from the X3800H up), more stated full-bandwidth HDMI 2.1 ports, processing channels beyond what the receiver amplifies so an external amp can be added later, and — from the X3800H — four independently calibrated subwoofer pre-outs instead of two. The trap is that the tier names do not track the price ladder: an S-series model can and does track above a cheaper X-series one — the S760H against the X1800H is exactly that today — which is why the honest recommendation in this guide is an X1800H rather than the tier its number implies. Cross-shopping the two lines directly: X1800H vs S970H is the rung-to-rung read, and S760H vs S970H is the one inside the S-line.
The Denon ladder, as our catalog tracks it
The ladder in ascending order of amplified channels: the five-channel AVR-S570BT at the entry, then the seven-channel rungs — AVR-S760H at 75W, AVR-X1800H at 80W with MultEQ XT and four stated HDMI 2.1 ports, AVR-X2800H at 95W — and then the nine-channel AVR-X3800H with MultEQ XT32 and four subwoofer pre-outs, above which the X4800H and X6800H continue the same climb. Where this page can reach the catalog it draws that ladder as a table, generated from the data rather than typed here, so the rungs cannot drift the way a hand-written list does. Read either version with three things in mind. First, amplified channels is the number that decides what layout a receiver can drive; a Denon can state more PROCESSING channels than it amplifies, which is a real feature for someone adding an external amp and a misleading one for everyone else. Second, where Denon states the conditions it measured under, they are the conservative ones — into 8Ω with two channels driven at 0.08% THD — so its watts are usually comparable to each other in a way cross-brand figures are not; where a sheet omits the conditions, we record the number without them and you should read it as unverified rather than assume the strict method. Third, a blank is a figure Denon does not publish, not a zero: our data holds no stated HDMI 2.1 port count for the X2800H, for instance, while the cheaper X1800H states four, and we leave that gap as an em dash rather than filling it in. The prices in the sections that follow were the tracked figures when this was written; anything this page renders live is today's.
The Denon receivers we track, by amplified channels
The lineup as our catalog holds it today — not Denon's full history, and not every model still on a shelf somewhere. Ordered by amplified channels, the number that decides what layout a receiver can drive; price is a column rather than the ranking, because a tracked price moves and a channel count does not. A Denon whose amplified channel count we do not hold is not listed at all, since that is the column the order is built on, and the table shows at most the first 24 in that order. Watts are Denon's own 8Ω figure where one is stated; where a sheet omits the conditions it was measured under we still show the number, and you should read it as unverified rather than assume the strict method. An em dash is a figure we do not have.
| # | Model | Amplified channels | Watts per channel, 8Ω | Min. impedance | HDMI bandwidth | Tracked price |
|---|---|---|---|---|---|---|
| 1 | Denon AVR-S270BT | 5 | 70W | — | — | $399 |
| 2 | Denon AVR-S570BT | 5 | 70W | 6Ω | 40 Gbps | $449 |
| 3 | Denon AVR-S670H | 5 | 75W | — | 40 Gbps | $649 |
| 4 | Denon AVR-S760H | 7 | 75W | 4Ω | 40 Gbps | $699 |
| 5 | Denon AVR-X1700H | 7 | 80W | — | — | $699 |
| 6 | Denon AVR-S770H | 7 | 75W | — | — | $749 |
| 7 | Denon AVR-S970H | 7 | 90W | 4Ω | 40 Gbps | $759 |
| 8 | Denon AVR-X1800H | 7 | 80W | 4Ω | 40 Gbps | $849 |
| 9 | Denon AVR-X2800H | 7 | 95W | 4Ω | 40 Gbps | $849 |
| 10 | Denon AVR-S980H | 7 | 90W | — | — | $949 |
| 11 | Denon AVR-X2900H | 7 | 95W | — | — | $1,349 |
| 12 | Denon AVR-X3800H | 9 | 105W | 4Ω | 40 Gbps | $1,399 |
| 13 | Denon AVR-X3900H | 9 | 105W | — | — | $1,849 |
| 14 | Denon AVR-X4800H | 9 | 125W | 4Ω | 40 Gbps | $2,799 |
| 15 | Denon AVR-X6800H | 11 | 140W | 4Ω | 40 Gbps | $3,799 |
| 16 | Denon AVR-A10H | 13 | 150W | — | — | $5,199 |
| 17 | Denon AVR-A1H | 15 | 150W | 4Ω | 40 Gbps | $7,199 |
Which Denon receiver models does this cover?
The Denon receivers our catalog holds a normalized spec row for: today that runs from the entry S-line — the AVR-S570BT and AVR-S760H — through the X1800H, X2800H and X3800H this guide argues about, and on to the flagship models we carry for comparison. That is a deliberate limit rather than a claim of completeness, and it has three edges: we list a receiver only when we hold its normalized spec row, so a model Denon still sells but we have not ingested is absent; a model whose amplified channel count we do not hold is left out of the ladder, because that is the number the ladder is ordered on; and a model Denon has discontinued drops out when it is delisted. Two consequences worth stating plainly. Older generations are not here: if you are comparing a 2020-era X__700 or an earlier X__400/X__500 from the used market, this page will not price it for you, and the spec-sheet section below explains the one HDMI 2.1 defect from that generation you genuinely need to check before buying one secondhand. And the ordering is by amplified channels rather than by model year, because a year is not a specification — Denon's numbering rises with the tier, not the calendar, and two models a year apart can sit on the same rung. Above the rungs this guide focuses on, the same catalog carries the upper line: X4800H vs X6800H is the flagship-side read, and against Marantz — Denon's sibling brand under one parent — X3900H vs Cinema 50 and Cinema 60 vs X2900H are the two most useful cross-reads.
Is the X2800H worth it over the X1800H?
On our data, not for the power. Both are 7.2 designs and both power figures are measured identically (8Ω, two channels driven, 0.08% THD), so the 95W-vs-80W gap is real and honest — and about 0.7 dB, at the edge of audibility. The surprise is connectivity and headroom: the cheaper X1800H states four HDMI 2.1 ports and carries nine processing channels to the X2800H's seven, while the X2800H leaves its HDMI 2.1 port count unstated in our normalized data. The X2800H's one stated edge is a second HDMI OUTPUT — two against the X1800H's one — which matters if you feed a projector and a TV from the same receiver, and not otherwise. At $1,299 vs $549.99 that's a 2.4× price gap our spec fields don't explain — so we say so instead of inventing a difference. The full field-by-field read is in the X2800H vs X1800H comparison; if you're cross-shopping the S-line, the X1800H vs S760H page covers the tier that states its impedance rating.
When the step to the X3800H is real
The X3800H is the rung where the money buys something you can point to. It's a 9.4 receiver — nine amplified channels and eleven processing channels — so it drives a 5.1.4 or 7.1.2 layout without an external amp, where the X1800H and X2800H top out at 7.2 amplified. It carries four independent subwoofer pre-outs (individually calibrated) against the others' two, Audyssey MultEQ XT32 instead of XT, and a stated 4–16Ω rating. At $1,399 tracked it's currently only $100 above the X2800H — nearly a free tier jump — which the X3800H vs X2800H comparison walks through. If room correction is your priority, the X3800H against the Onkyo TX-RZ50 — Dirac Live at $899 — is worth reading before you commit to Audyssey.
Who each Denon tier is actually for
The S760H is for a straightforward 5.1 or 5.1.2 when its price undercuts the X1800H — tracked at $699 against the X1800H's $549.99 today, it usually doesn't, which is the honest reason the X1800H is the default. The X1800H is for almost everyone building a first real 5.1.2: seven honest channels, the room correction that matters, and the most stated HDMI 2.1 connectivity in the line, all at the lowest tracked price. The X2800H makes sense mainly when it's discounted below the X1800H — at full price our data doesn't justify it. The X3800H is for the build that will grow into four height channels or multiple subwoofers. Cross-brand, the X1800H against the Yamaha RX-A2A and against the Onkyo TX-NR6100 are the two most useful reality checks, and our budget Atmos guide picks the X1800H for the same reasons laid out here.
What don't Denon's spec sheets tell you?
One piece of history worth knowing, precisely bounded. Denon's 2020 receiver generation — the X__700 line (X2700H, X3700H, X4700H and up) — shipped with a defective HDMI 2.1 chip that couldn't reliably pass 4K/120 from an Xbox Series X or PS5; some units needed a physical board swap, and Denon shipped a free external adapter to fix it. That is real and documented, and it's the reason we track an HDMI-2.1-native-at-launch flag at all. It matters here as a used-market caution: buy a 2020 X__700 secondhand expecting native 4K/120 and you should verify the fix first. It does not apply to the current Denons this guide covers — the S760H, X1800H, X2800H and X3800H among them — which are the later generation and fall outside the affected 2020 line entirely, so we won't smear them with an old chip's story. What HDMI 2.1 actually buys you, and how to tell which port carries it, is in the HDMI 2.1 and eARC guide. Pair any of these with your speakers in the builder, and browse the line in AV receivers.