6.5 inch antimagnetic professionally enhanced subwoofer driver 
3 inch antimagnetic full range tweeter unit
Two dispartly frequency satellites design
Low noise designed
Edifier 
Sub Woofer
Satellite Speakers
Super Bass Control
Surround Control
Volume Control
Power Indicator
Audio connecting cord
User's Manual
Line In Port
Speaker Out
Power Switch
Power Cord
-
R451 specifications
Edifier Enterprises is renowned for its commitment to delivering high-quality audio products, and the R451 speaker system epitomizes this legacy. Designed with both aesthetics and performance in mind, the R451 caters to audiophiles and casual listeners alike, making it an ideal choice for diverse listening environments.One of the standout features of the R451 is its dynamic range. This bookshelf speaker system utilizes a two-way design, which includes a 4-inch bass driver and a 13mm silk-dome tweeter. This configuration allows for a broad sound spectrum, ensuring that low frequencies are delivered with depth and richness, while high frequencies remain clear and crisp. This balance makes the R451 particularly effective for reproducing various music genres, from classical to electronic.
The R451 also incorporates advanced technologies that enhance audio quality. Its built-in digital signal processor (DSP) optimizes sound performance by preventing distortion, ensuring that even at high volume levels, the audio remains pure and nuanced. Additionally, the inclusion of a crossover network efficiently divides the audio signal between the bass and treble drivers, allowing each speaker to perform at its best.
Another notable characteristic of the R451 is its versatile connectivity options. It features multiple input ports, including RCA and AUX, allowing users to connect various devices like smartphones, computers, or turntables with ease. This flexibility makes the R451 not just a speaker system, but a multimedia hub for any audio setup.
Aesthetically, the R451 boasts a sleek design with a wood finish that complements both modern and traditional decors. The compact size of the speakers makes them suitable for any room, whether as part of a home theater system or in a workspace.
In terms of usability, the R451 is user-friendly, featuring simple controls for volume and bass adjustment, allowing users to tailor their listening experience according to their preferences.
In conclusion, the Edifier R451 represents a fusion of style and substance. With its comprehensive range of features, cutting-edge technology, and user-centric design, it stands as a formidable contender in the realm of bookshelf speakers, offering an engaging listening experience for everyone.