Best Product Fit

Head-to-head

Denon AVR-X4800H vs Denon AVR-X6800H: X6800H powers 7.1.4 alone, X4800H needs two external amplifier channels

The short answer

Choose X4800H for a nine-speaker room or when an external stereo amplifier is already available for 7.1.4. Choose X6800H to power 7.1.4 from one receiver or retain legacy composite and component video sources.

Before you choose

The reasoning and the trade-offs

The internal amplifier difference exactly covers 7.1.4

X6800H removes the separate stereo amplifier needed by X4800H for eleven speakers.

What this is based on

7 + 4 is eleven main channels. X4800H has nine amplifiers and X6800H has eleven.

Main trade-off

Denon AVR-X4800H

7.1.4 needs two external amplifier channels.

Main trade-off

Denon AVR-X6800H

The chassis weighs 5.3 pounds more.

Denon AVR-X4800H

Denon AVR-X4800H

Choose it for
  • The main room stops at 5.1.4 or 7.1.2
  • An external stereo amp is already available for 7.1.4
Main trade-off
7.1.4 needs two external amplifier channels.
See price & reviews on Amazon
Denon AVR-X6800H

Denon AVR-X6800H

Choose it for
  • All eleven 7.1.4 speakers need receiver power
  • Legacy analog video sources need receiver connections
Main trade-off
The chassis weighs 5.3 pounds more.
See price & reviews on Amazon

Analysis updated , Catalog updated , Amazon.com / United States

About this comparison

Compare Denon X4800H and X6800H for internally powered 7.1.4, external amplifier needs, legacy video connections and cabinet shelf loading.

Choose X4800H for a nine-speaker room or when an external stereo amplifier is already available for 7.1.4. Choose X6800H to power 7.1.4 from one receiver or retain legacy composite and component video sources.

Winner by situation

Start with what you need it to do

  • 7.1.4 with no separate power amp

    X6800H supplies eleven internal amplifiers.

    Denon AVR-X4800H
    Caution
    Denon AVR-X6800H
    Better fit

  • 5.1.4 with an all-HDMI rack

    Both power the layout and provide seven fast HDMI inputs.

    Denon AVR-X4800H
    Good
    Denon AVR-X6800H
    Good

  • An existing external stereo amp for 7.1.4

    X4800H can use the external pair. X6800H does not need it for this layout.

    Denon AVR-X4800H
    Good
    Denon AVR-X6800H
    Good

  • Legacy component-video source

    X6800H includes a component input. X4800H does not.

    Denon AVR-X4800H
    Not suitable
    Denon AVR-X6800H
    Better fit

What matters in practice

The differences that matter

The internal amplifier difference exactly covers 7.1.4

X6800H removes the separate stereo amplifier needed by X4800H for eleven speakers.

How we reached this conclusion

7 + 4 is eleven main channels. X4800H has nine amplifiers and X6800H has eleven.

Power is not the main reason to step up

The 140W versus 125W rating amounts to about 0.49dB of theoretical electrical headroom.

How we reached this conclusion

10 × log10(140 ÷ 125) is approximately 0.49dB with the same load and test conditions.

Identical outside dimensions do not mean identical shelf load

The X6800H weighs 5.3 pounds more despite the same published 17.1 by 15.3 by 6.6-inch envelope.

How we reached this conclusion

34.4 minus 29.1 equals 5.3 pounds. Both dimensions are with the antennas horizontal.

Plan your receiver connectionsPlan my setup

Check a documented speaker layout against HDMI sources and external-amplifier plans.

2 models match your answers2 receivers support this setup

Your 5.1.2 layout needs 7 speaker channels. Your devices need 3 HDMI inputs, including 1 for 4K at 120Hz.

Denon AVR-X4800H

Supports your setup

Supports 5.1.2 using the receiver's own amplifiers. Connects 3 HDMI devices, including 1 at 4K/120Hz.

Denon AVR-X6800H

Supports your setup

Supports 5.1.2 using the receiver's own amplifiers. Connects 3 HDMI devices, including 1 at 4K/120Hz.

A powered subwoofer is separate from the speaker-channel count. This checks one main room. Zone 2, bi-amping and unusual speaker assignments need another manual check. Allow ventilation space and confirm HDMI settings, cables and speaker impedance before installing.

Choice A
Denon AVR-X4800H

Denon, AVR-X4800H

AVR-X4800H

A nine-amplifier, eleven-processing-channel receiver with seven fast HDMI inputs and four independent sub outputs. It suits a large source collection and an eventual external-amp expansion.

Best matched use
Seven fast sources with 7.1.4 expansion

Checked facts

  • 9 built-in amplifier channels and 11 main processing channels
  • 7 HDMI inputs, including 7 supporting 4K120 video
  • 3 HDMI outputs
  • Audyssey MultEQ XT32 room setup
  • 11 full-range main-channel pre-outs, excluding subwoofer outputs
  • 6.6-inch chassis height with antennas horizontal, before ventilation space
  • 4 independent subwoofer outputs
See price & reviews on Amazon
Choice B
Denon AVR-X6800H

Denon, AVR-X6800H

AVR-X6800H

Eleven built-in amplifiers run 7.1.4 without another power amplifier. Thirteen-channel processing, four independent sub outputs and extensive main-channel pre-outs leave room for larger installations.

Best matched use
A self-powered 7.1.4 speaker layout

Checked facts

  • 11 built-in amplifier channels and 13 main processing channels
  • 7 HDMI inputs, including 7 supporting 4K120 video
  • 3 HDMI outputs
  • Audyssey MultEQ XT32 room setup
  • 13 full-range main-channel pre-outs, excluding subwoofer outputs
  • 6.6-inch chassis height with antennas horizontal, before ventilation space
  • 4 independent subwoofer outputs
See price & reviews on Amazon

Meaningful differences

What changes the fit

Meaningful differences between Denon AVR-X4800H and Denon AVR-X6800H
What changesDenon AVR-X4800HDenon AVR-X6800HWhy it matters
Built-in amplifiers and processing9 amplifiers, 11 processing channels11 amplifiers, 13 processing channelsX6800H powers 7.1.4 internally and can process larger documented systems with extra amplification.
Published two-channel power125W into 8 ohms140W into 8 ohmsBoth are specified across 20Hz to 20kHz at 0.05% distortion with two channels driven.
Analog audio inputs56X6800H provides another analog source connection.
Composite video inputs02X6800H accepts two composite-video sources directly.
Component video inputs01X6800H accommodates one component-video source.
Receiver weight29.1 pounds34.4 poundsThe larger model adds 5.3 pounds to the shelf load.

What you give up

Every choice has a cost

If you choose Denon AVR-X4800H

  • No composite or component video inputs.

If you choose Denon AVR-X6800H

  • Thirteen-channel processing still exceeds its eleven built-in amplifiers.

Recommendation switch

The decision flips if...

The main room stops at 5.1.4 or 7.1.2

Choose Denon AVR-X4800H. Its nine internal amplifiers cover 5.1.4 or 7.1.2.

All eleven 7.1.4 speakers need receiver power

Choose Denon AVR-X6800H. Its eleven internal amplifiers power the documented 7.1.4 layout.

Thirteen main speakers must all be powered internally

Choose neither. The documented processing or internal-amplifier layouts do not cover this requirement. Choose a receiver with the required physical configuration.

What matters in practice

How to make the call

01

Count the channels you want powered inside one box

An X4800H can run 5.1.4 directly, which uses all nine internal amplifiers. It can process 7.1.4 with an added stereo amp. The X6800H supplies eleven amplifiers, so 7.1.4 can remain a one-receiver installation. Its thirteen-channel processing does not mean all thirteen channels are powered internally.

02

Check whether old video equipment belongs in the rack

X6800H provides two composite inputs and one component input, while X4800H omits those legacy video connections. That can matter for an older console or player. Verify the source resolution and the receiver's conversion behavior rather than assuming every analog signal becomes every HDMI format. An all-HDMI rack does not gain a connection advantage from those sockets.

03

Keep power and weight claims grounded

The stereo power-rating gap is relatively small in theoretical level terms, and neither rating predicts eleven-channel output. The more concrete difference is two additional amplifier channels. The receivers share the same quoted chassis envelope, but the X6800H adds 5.3 pounds. Check shelf loading and ventilation even when the existing X4800H-sized space appears suitable.

Check these before buying

  • Specify the external amplifier assignment for X4800H 7.1.4.
  • Confirm the cabinet shelf rating and manufacturer's ventilation allowance.
  • Check conversion support for each legacy video source.

What this comparison cannot tell you

  • Two-channel output ratings are not all-channel continuous-power measurements.

What the facts say

What the comparison shows

Useful conclusions from the current AV receivers comparison, followed by the checked facts used to reach them.

Compared set

Only 11 of 34 models checked match every need here: “Build a 7.1.4 room” and “Leave seven HDMI sources connected”.

11 matching models from 34 checked
See the checked facts and calculation notes
Compared set
34 models
Source records
7 for the products shown
Catalog updated

Match countThe count uses the current product-to-need assignments for “Build a 7.1.4 room” and “Leave seven HDMI sources connected”. A need with no documented match does not count.

Facts and source records used for the products in this recommendation
ProductNeeds matchedChecked factsSource records
Denon AVR-X4800H
  • Build a 7.1.4 room
  • Keep seven devices connected
  • 9 built-in amplifier channels and 11 main processing channels
  • 7 HDMI inputs, including 7 supporting 4K120 video
  • 3 HDMI outputs
Denon AVR-X6800H
  • Build a 7.1.4 room
  • Keep seven devices connected
  • 11 built-in amplifier channels and 13 main processing channels
  • 7 HDMI inputs, including 7 supporting 4K120 video
  • 3 HDMI outputs

Ready to choose?

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