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Bose

Bose 31763 Free Space 51 Outdoor In-Ground Speakers

★★★★★4.7 (493 reviews)

Elevate Your Outdoor Audio ExperienceBose Free Space 51 Outdoor In-Ground Speakers are designed to deliver high-quality stereo sound across a wide listening area. Ideal for placement by the pool, on the deck, or in the garden, these speakers offer both versatility and durability, ensuring year-ro...

$589.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Elevate Your Outdoor Audio Experience

Bose Free Space 51 Outdoor In-Ground Speakers are designed to deliver high-quality stereo sound across a wide listening area. Ideal for placement by the pool, on the deck, or in the garden, these speakers offer both versatility and durability, ensuring year-round enjoyment.

Specifications

  • Driver: Downward-firing 4 1/2" full-range driver
  • Design: Innovative radial design disperses sound in a 360-degree pattern
  • Low-Frequency Performance: Centrally located port enhances low-frequency performance
  • Durability: Withstands temperatures from -40 to +150 degrees Fahrenheit
  • Salt Fog Test: Passed the rigorous salt fog test 66% longer than required by the Marine Industry Standard
  • Recommended Power: 10-100 watts
  • Weight Capacity: Withstands up to 350 pounds of pressure
  • Base Flange: Mounting holes for easy installation
  • Dimensions (Each speaker): 36 cm H x 32 cm W x 32 cm D

Key Features

360-degree sound coverage for our widest outdoor coverage

On- or in-ground installation

Engineered to withstand snow, sun, rain, ice and saltwater spray

Specifications

Brand
Bose
Model Number
31763
Product Type
Outdoor In-Ground Speakers
Sound Coverage
360-degree
Installation Type
On- or In-ground
Weather Resistance
Withstands snow, sun, rain, ice, and saltwater spray

Pros & Cons

👍 Pros

  • Provides 360-degree sound coverage, offering a wide and immersive audio experience outdoors.
  • Designed for versatile installation, allowing for either on-ground or in-ground placement.
  • Engineered with robust materials to effectively withstand harsh outdoor elements like snow, sun, rain, ice, and saltwater spray.
  • Offers a discreet appearance when installed in-ground, blending into the landscaping.
  • Built by Bose, a brand recognized for its audio quality and durable outdoor speaker solutions.

👎 Cons

  • Requires physical installation either on or in the ground, which may involve some effort and landscaping work.
  • Specific power requirements or connectivity details for these speakers are not provided in the features.
  • As in-ground speakers, they may require careful placement to avoid being damaged by garden tools or foot traffic.
  • The features do not specify the exact sound quality metrics or frequency response for critical audiophiles.
  • While durable, extreme weather conditions might still necessitate protective measures for long-term preservation.

Frequently Asked Questions

These Bose Free Space 51 speakers are designed to provide 360-degree sound coverage for our widest outdoor audio experience.
These speakers offer flexible installation and can be placed either on-ground or in-ground, depending on your preference.
Yes, the Bose Free Space 51 speakers are engineered to withstand snow, sun, rain, ice, and even saltwater spray.
The product features do not detail specific wiring or connectivity accessories; users should plan for their own audio setup requirements.
Their robust engineering to withstand various elements ensures reliable performance and longevity even in challenging outdoor environments.

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