SONANCE S621SSTR Symphony Single Stereo Speaker Box 6.5 Speaker.

( Brand: Sonance ), ( Manufacturer Part Number: S621SSTR ), ( Model: SYMPHONY S621SSTR ), ( Color: White ), ( Driver Size: 6 In ), ( Type: Ceiling Speaker ), ( Shape: Circle ), ( System Configuration: 2.0 Channel ), ( Audio Inputs: Stereo Mini Jack ), ( Connectivity: Wired ), ( Rms Power: 100 W ), ( Impedance: 8 Ohms )

Review SONANCE Symphony 6.5 Inch Single Stereo Speaker. New Open Box

The Sonance S621SSTR Symphony 6.5 Single Stereo Speaker Box is a high-performance audio solution for those seeking exceptional sound quality in their home or automobile. This speaker box is part of Sonance's Symphony Series, which is renowned for its sleek design and superior acoustic capabilities.

The S621SSTR is a 6.5-inch single stereo speaker box, which means it is designed to house and optimally accommodate a single 6.5-inch driver. Its sealed enclosure design ensures that the sound produced is clean, clear, and free from distortion, even at high volumes. The enclosure is constructed from MDF (Medium Density Fiberboard), a material known for its rigidity and sound-absorbing properties, which contributes significantly to the speaker's impressive sonic performance.

The speaker box comes with a pre-installed Sonance ES-65 6.5-inch midrange driver, which features a powerful neodymium magnet, a copper voice coil, and a polypropylene cone. This driver is engineered to deliver a wide frequency response, accurate detail, and a deep, rich bass. The speaker's sensitivity is rated at 86 dB, which means it is efficient in converting electrical energy into sound, making it a suitable choice for various applications, from home theaters to in-car audio systems.

The S621SSTR's compact and versatile design makes it a popular choice for a variety of installations. Its dimensions are 13.8 inches (H) x 7.5 inches (W) x 6.1 inches (D), making it suitable for tight spaces. The box is also aesthetically pleasing, with a satin black finish that blends seamlessly into any environment.

The Sonance S621SSTR Symphony 6.5 Single Stereo Speaker Box comes with a grille, mounting hardware, and a user-friendly instruction manual, making the installation process hassle-free. Its high-quality components and meticulous engineering ensure that it delivers a sonic experience that is nothing short of exceptional. Whether you're looking to upgrade your home audio system, build a custom in-car entertainment setup, or simply seek a high-performance speaker box, the Sonance S621SSTR is an excellent choice.

Sonance S621SSTR Symphony 6.5 Single Stereo Speaker Box: A Detailed Analysis

The Sonance S621SSTR Symphony 6.5 Single Stereo Speaker Box is a popular choice for those seeking high-quality sound in their home or automobile audio systems. In this analysis, we will discuss the key features, advantages, and disadvantages of this speaker box.

1. 6.5-inch single stereo speaker box

2. Sealed enclosure design

3. Frequency response: 45 Hz - 35 kHz

4. Sensitivity: 89 dB

5. Nominal impedance: 4 ohms

6. Designed for in-wall or in-ceiling installation

7. Available in paintable white or black grille

1. Excellent Sound Quality: Sonance is known for its superior sound quality, and the S621SSTR is no exception. Its sealed enclosure design ensures accurate sound reproduction, making it an excellent choice for music lovers.

2. Versatile Installation: The S621SSTR can be installed in-wall or in-ceiling, providing flexibility for various home and automobile audio applications.

3. Aesthetic Appeal: With paintable white or black grilles, the speaker box seamlessly blends into different interior designs.

4. Durable Construction: Sonance uses high-quality materials and construction techniques to ensure the longevity of their products.

1. Higher Price Point: Compared to other speaker boxes in the market, the Sonance S621SSTR comes with a higher price tag, which might be a deterrent for some.

2. Complex Installation: Installing the speaker box might require professional assistance, especially for in-wall or in-ceiling installations.

The Sonance S621SSTR Symphony 6.5 Single Stereo Speaker Box offers exceptional sound quality, versatile installation options, and aesthetic appeal. However, its higher price point and complex installation process might be disadvantages for some. If you prioritize superior sound quality and are willing to invest in a durable, long-lasting speaker box, the Sonance S621SSTR is an excellent choice.

If you are in the market for a high-quality speaker box and are willing to invest in a product that delivers exceptional sound and durability, the Sonance S621SSTR Symphony 6.5 Single Stereo Speaker Box is an excellent recommendation. Its versatile installation options and aesthetic appeal make it a great addition to any home or automobile audio system.

Details:

The Symphony S621SSTR incorporates a 6-1/2 polypropylene cone dual voice coil woofer and two 3/4 silk dome tweeters. This Symphony S621SSTR is BRAND NEW - OPEN BOX. Symphony S623SSTRs innovative fully-pivoting design delivers outstanding musical performance from one speaker. Tweeter: Two 19mm Silk domes, Fourfold-cooled Woofer: 6 165mm Polypropylene cone, dual voice coil, rubber surround, pivoting Frequency Response: 50Hz 20kHz 3dB Impedance: 8 Ohms nominal; minimum Power Handling: 5 watts minimum; 100 watts maximum Sensitivity: 88dB SPL 2.83V 1 meter Grille Material: Perforated aluminum Adjustments: None Dimensions DOA.

It plays both the left and right channel stereo signals from just one speaker.

part #: s621sstr prices

• $60.00-$148.58

specifications shuspea:

• brand: Sonance
• mpn: S621sstr
• model: Symphony S621sstr
• color: White
• driver size: 6 In
• type: Ceiling Speaker
• shape: Circle
• system configuration: 2.0 Channel
• audio inputs: Stereo Mini Jack
• connectivity: Wired
• rms power: 100 W
• impedance: 8 Ohms

shipping shuspea:

• type: Calculated
• service: USPS Ground Advantage
• transit: 6-9 Days
• carrier: USPS
• cost: $16.85
• class: Standard

payments shuspea:

• other
• wallet: Google-pay
• credit card: Diners-club

offer shuspea:

• availability: In Stock
• started: November 13, 2025
• quantity: 1
• sold: 0
• best offers: True
• options: Ship-to-home

general shuspea:

• condition: Open box
• TV, Video Home Audio > Home Audio > Home Speakers Subwoofers

returns shuspea:

• policy: No Returns

seller shuspea:

• rating: 100.0%
• city: Sayville, New York
• # reviews: 47

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