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Denon AVR-X6700H vs Polk Audio Signa S4

Side-by-side comparison of features, pricing, ratings, and alternatives.

Heads up: Denon AVR-X6700H and Polk Audio Signa S4 are in different categories and aren't listed as alternatives — this comparison may not be meaningful.
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Denon AVR-X6700H
Denon AVR-X6700H11.2-channel 8K AV receiver with 3D audio and IMAX Enhanced support.
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Polk Audio Signa S4
Polk Audio Signa S4Dolby Atmos sound bar and wireless subwoofer system for immersive home theater audio.
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Overview
Description

The Denon AVR-X6700H is a high-performance 11.2-channel 8K AV receiver designed to deliver an uncompromising home theater experience. Featuring support for advanced audio formats like Dolby Atmos, DTS:X, and IMAX Enhanced, it brings cinematic sound directly to your living room. Equipped with built-in HEOS technology, advanced video processing including 8K/60Hz and 4K/120Hz pass-through, and extensive custom integration options, this receiver serves as the powerful hub for modern entertainment systems and smart homes.

The Polk Audio Signa S4 delivers immersive, cinematic sound to your living room through advanced Dolby Atmos technology and an included wireless subwoofer. Designed to seamlessly integrate with modern 4K and 8K TVs, it transforms everyday television viewing, movie nights, and music listening into a true surround sound experience. Featuring Polk's patented Voice Adjust technology, the sound bar ensures crystal-clear dialogue so you never miss a word. Setup is effortless with the included HDMI eARC and optical cables, allowing you to control the volume using your existing TV remote while enjoying robust, room-filling bass from the down-firing subwoofer.

Pricing
Paid (One-time)
Paid (One-time)
Category
AV Receivers
Soundbars & Home Theater Systems
Best for
Home theater enthusiasts and audiophiles
Home theater enthusiasts and movie lovers
Specifications
Spec source
AI-estimated
AI-estimated
General
msrp
$2499
$399−84%
Specifications
weight
14.8 kg+377%
Soundbar: 3.1 lbs; Subwoofer: 9.2 lbs
warranty
3 years+200%
1 Year Limited
dimensions
434 x 389 x 167 mm+951%
Soundbar: 41.3 x 2.4 x 3.7 inches; Subwoofer: 7.9 x 12.8 x 15.6 inches
open source
No
No
connectivity
Wi-Fi, Bluetooth, Ethernet, HDMI 2.1, USB, Optical/Coaxial Digital, Phono input
HDMI eARC, Optical In, Bluetooth, Aux In, USB-A (for service)
power source
AC Powered
AC Powered
Pros & Cons
Pros
  • Exceptional 11.2-channel discrete amplification with massive power output
  • Comprehensive 8K and 4K/120Hz video support for next-gen gaming
  • Industry-leading Audyssey MultEQ XT32 room correction calibration
  • Robust ecosystem integration including HEOS and custom installation tools
  • Immersive Dolby Atmos height effects
  • Included wireless subwoofer for deep bass
  • Voice Adjust technology for clear dialogue
  • Simple setup with HDMI eARC and optical cables
Cons
  • High price point may exceed the budget of casual home theater enthusiasts
  • Large and heavy physical footprint requires adequate cabinet space
  • Complex menu system and extensive feature set can have a steep learning curve
  • Lacks built-in smart assistant integration
  • No Wi-Fi streaming support built-in
  • Limited physical audio inputs beyond HDMI and optical
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