EVERYDAY AUDIO · Active Speakers
SR09B 4-Inch Active Bookshelf Speakers
A compact 2.0 active speaker pair designed for desks, bedrooms, and smaller listening spaces. Connect directly by Bluetooth 5.0, USB, or line input—no separate amplifier required.
Highlights
- 50W system power with two 4-inch woofers and dedicated tweeters
- Bluetooth 5.0, USB, and 3.5 mm line input
- Music, Movie, and Dialogue listening modes
- Front-panel volume, bass, and treble controls
- Subwoofer output for easy low-frequency expansion
Specifications
- System: 2.0 active bookshelf speaker pair
- Output power: 50W
- Frequency response: 45 Hz–20 kHz
- Signal-to-noise ratio: ≥80 dB
- Total harmonic distortion: <1%
- Woofer: 4-inch, 6Ω, 15W × 2
- Tweeter: 6Ω, 10W × 2
- Inputs: Bluetooth, line in, USB
- Power: 21V / 1.5A adapter; AC 100–240V input
- Dimensions: 140 × 176 × 230 mm per speaker
- Cabinet: MDF with ABS components
In the box
- SR09B active speaker pair
- Power adapter
- 3.5 mm-to-RCA audio cable
- Speaker interconnect cable
- User manual
Launch price
$159.99
$169.99
Connects directly to your audio source. No separate amplifier is required.
Free shipping, duties included
Free tracked shipping to the contiguous United States. Import duties are included in the price.
A compact 2.0 active speaker pair designed for desks, bedrooms, and smaller listening spaces. Connect directly by Bluetooth 5.0, USB, or line input—no separate amplifier required.
Highlights
- 50W system power with two 4-inch woofers and dedicated tweeters
- Bluetooth 5.0, USB, and 3.5 mm line input
- Music, Movie, and Dialogue listening modes
- Front-panel volume, bass, and treble controls
- Subwoofer output for easy low-frequency expansion
Specifications
- System: 2.0 active bookshelf speaker pair
- Output power: 50W
- Frequency response: 45 Hz–20 kHz
- Signal-to-noise ratio: ≥80 dB
- Total harmonic distortion: <1%
- Woofer: 4-inch, 6Ω, 15W × 2
- Tweeter: 6Ω, 10W × 2
- Inputs: Bluetooth, line in, USB
- Power: 21V / 1.5A adapter; AC 100–240V input
- Dimensions: 140 × 176 × 230 mm per speaker
- Cabinet: MDF with ABS components
In the box
- SR09B active speaker pair
- Power adapter
- 3.5 mm-to-RCA audio cable
- Speaker interconnect cable
- User manual