Compare detailed specifications, side-by-side differences, verified user reviews, and buying recommendations to help you make the right choice.
Deciding between the Denon AVR-S660H 5.2 Ch AVR - 75 W/Ch (2021 Model), Advanced 8K Upscaling, 3D Audio - Dolby TrueHD, DTS:HD Master & More, Wireless Streaming, Built-in HEOS, Alexa and the Pioneer VSX-534 depends on your available space, storage capacity goals, and everyday usage style:
Designed for large households, bulk grocery shoppers, and long-term storage where total cubic feet is the highest priority.
Ideal for apartments, offices, dorms, or secondary kitchen use where space efficiency and neat organization are paramount.
| Specification | Denon AVR-S660H 5.2 Ch AVR | Pioneer VSX-534 |
|---|---|---|
| Connector Type | ||
| HDMI Outputs | — | 1 |
| HDMI Inputs | — | 4 |
| Coaxial Digital Inputs | — | has not |
| Optical Digital Inputs | — | 1 |
| Phones | — | 1 |
| AV Inputs | — | has not |
| USB | — | 1 |
| Subwoofer Outputs | — | 2 |
| Coaxial Digital Outputs | — | has not |
| Optical Digital Outputs | — | has not |
| Media Content Source | ||
| USB-host | — | Yes |
| Network | — | No |
| Bluetooth | — | Yes |
| Additional Features | ||
| Audio Return Channel (ARC) | — | Yes |
| Apple Air-play Support | — | No |
| Advanced Sound Retriever (ASR) Technology | — | No |
| Three-zone Capability | — | No |
| Smartphone Remote Control | — | Yes |
| A-B Speaker Switch | — | Yes |
| Dual-zone Capability | — | Yes |
| Pure Direct Mode | — | Yes |
| Auto Power Off | — | No |
| Bi-amplifying | — | No |
| Amplifier | ||
| Output Impedance Per Channel | — | 8 Ohm |
| Output Power Per Channel | — | 80 |
| Total Output Power | — | 400 W |
| Total Harmonic Distortion | — | 0.08 % |
| Frequency Response | — | 20 Hz - 20 kHz |
| Sound Features | ||
| Surround System Class | — | 5.2 channel |
| Surround Sound Effects | — | Dolby Digital |
| Audio D/A Converter | — | 32bit / 384kHz |
| Digital Content Protection | — | HDCP 2.2 |
| Audio Formats | ||
| Apple Lossless | — | No |
| AIFF | — | No |
| AAC | — | Yes |
| WMA | — | No |
| WAV | — | Yes |
| MP3 | — | Yes |
| FLAC | — | No |
| Built-in Decoders | ||
| Dolby Surround | — | No |
| Dolby Digital Plus | — | Yes |
| Dolby Atmos | — | Yes |
| DTS:X | — | Yes |
| Dolby True HD | — | Yes |
| Signal Processing | ||
| HDMI Pass-through | — | up to 4K |
| Upscaling Via HDMI | — | up to 4K |
| 3D Pass-through | — | Yes |
| Video Conversion/scaling | — | HDMI to HDMI scaling, analog to HDMI up conversion |
| Connectivity Interfaces | ||
| IEEE 802.3u | — | No |
| IEEE 802.3 | — | No |
| WI-FI | — | No |
| Bluetooth | — | Yes |
| Dimensions | ||
| Dimensions | — | 12.6 x 17.1 x 6.8 inches |
| Functions | ||
| Network Audio Player | — | No |
| Internet Radio | — | No |
| Digital Player | — | Yes |
| Power Device | ||
| Standby Power Consumption | — | 0.1 W |
| Operational Power Consumption | — | 445 W |
| Radio | ||
| Preset Station | — | 40 |
| Tuner Bands | — | AM/FM |
| Tuner Type | — | digital |
| Clock | ||
| Sleep Timer | — | Yes |
| Built-in Clock | — | Yes |
| Built-in Display | ||
| Colour | — | black |
| Type | — | fluorescent |
| General | ||
| Brand | Denon | Pioneer |
| Dimension | ||
| Item Weight | 9.9 pounds | — |
The main differences center around storage capacity, form factor, and convenience. The Denon AVR-S660H 5.2 Ch AVR - 75 W/Ch (2021 Model), Advanced 8K Upscaling, 3D Audio - Dolby TrueHD, DTS:HD Master & More, Wireless Streaming, Built-in HEOS, Alexa provides extensive bulk storage capacity best suited for homes, garages, or basements needing deep freeze space. In contrast, the Pioneer VSX-534 offers a compact upright design that fits into smaller spaces with convenient shelf organization.
Chest-style freezers generally excel in thermal efficiency because cold air naturally settles at the bottom and does not escape when the lid is lifted. Compact upright models have lower total kilowatt-hour usage simply due to their smaller cubic volume, making both designs efficient for their respective intended purposes.
Both products are available through official brand stores and authorized retailers with full manufacturer warranties and fast delivery options. Click the "Check Best Price" buttons in the comparison cards above to view today's latest promotions, official deals, and current availability.
Measure your available floor clearance first. If you have open space in a garage, basement, or utility room and want to freeze items in bulk, choose the Denon AVR-S660H 5.2 Ch AVR - 75 W/Ch (2021 Model), Advanced 8K Upscaling, 3D Audio - Dolby TrueHD, DTS:HD Master & More, Wireless Streaming, Built-in HEOS, Alexa. If you have limited room in a kitchen, apartment, dorm, or office and prefer easy eye-level access to items, choose the Pioneer VSX-534.
