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 |
|---|---|---|
| Built-in Decoders | ||
| Dolby Atmos | — | Yes |
| DTS:X | — | Yes |
| Dolby True HD | — | Yes |
| Dolby Surround | — | No |
| Dolby Digital Plus | — | Yes |
| Connectivity Interfaces | ||
| IEEE 802.3 | — | No |
| WI-FI | — | No |
| Bluetooth | — | Yes |
| IEEE 802.3u | — | No |
| Connector Type | ||
| 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 |
| HDMI Outputs | — | 1 |
| HDMI Inputs | — | 4 |
| Media Content Source | ||
| Bluetooth | — | Yes |
| USB-host | — | Yes |
| Network | — | No |
| Additional Features | ||
| 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 |
| Audio Return Channel (ARC) | — | Yes |
| Apple Air-play Support | — | No |
| Amplifier | ||
| Total Output Power | — | 400 W |
| Total Harmonic Distortion | — | 0.08 % |
| Frequency Response | — | 20 Hz - 20 kHz |
| Output Impedance Per Channel | — | 8 Ohm |
| Output Power Per Channel | — | 80 |
| Sound Features | ||
| Audio D/A Converter | — | 32bit / 384kHz |
| Digital Content Protection | — | HDCP 2.2 |
| Surround System Class | — | 5.2 channel |
| Surround Sound Effects | — | Dolby Digital |
| Audio Formats | ||
| AAC | — | Yes |
| WMA | — | No |
| WAV | — | Yes |
| MP3 | — | Yes |
| FLAC | — | No |
| Apple Lossless | — | No |
| AIFF | — | No |
| 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 |
| Built-in Display | ||
| Colour | — | black |
| Type | — | fluorescent |
| Signal Processing | ||
| Upscaling Via HDMI | — | up to 4K |
| 3D Pass-through | — | Yes |
| Video Conversion/scaling | — | HDMI to HDMI scaling, analog to HDMI up conversion |
| HDMI Pass-through | — | up to 4K |
| Radio | ||
| Preset Station | — | 40 |
| Tuner Bands | — | AM/FM |
| Tuner Type | — | digital |
| Clock | ||
| Sleep Timer | — | Yes |
| Built-in Clock | — | Yes |
| 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 listed on Amazon with full manufacturer warranties, customer reviews, and fast delivery options. Click the "Check Price on Amazon" buttons in the comparison cards above to view today's latest promotions, verified customer ratings, 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.
