Fosi Audio BT20A Pro & Kanto YU Passive 4-inch Bookshelf Speaker Stereo System BLACK (Open Box Speakers only)

Pairing the Fosi Audio BT20A Pro stereo amplifier with Kanto YU Passive 4-inch bookshelf speakers creates a compact two-channel system for music, desktop audio and other stereo listening applications.

Bundle Includes

• 1 x Fosi Audio BT20A Pro Bluetooth Stereo Power Amplifier - Model BT20A Pro
• 1 x Kanto YU Passive 4" Bookshelf Speakers with 1" Silk Dome Tweeter (Pair) BLACK - Open Box - Model REF-YUP4

The BT20A Pro provides Bluetooth 5.0 and analog RCA inputs along with bass and treble controls. Its TI TPA3255 Class D amplifier drives passive speakers and provides a dedicated pre-out for expanding the system.

Kanto YU Passive speakers use 4-inch Kevlar woofers and 1-inch silk dome tweeters for a neutral, balanced presentation. Each speaker handles 70 watts and features a 4-ohm impedance, while solid MDF cabinets and tuned bass ports help provide tight bass with low distortion.

Features

• Compact two-channel amplifier and passive bookshelf speaker system
• TI TPA3255 Class D stereo amplifier
• Bluetooth 5.0 wireless audio streaming with SBC and AAC support
• Analog RCA input for connecting wired audio sources
• Front-panel bass and treble controls
• Dedicated pre-out connection
• Kanto speakers with 4-inch Kevlar woofers and 1-inch silk dome tweeters
• 70-watt power handling per Kanto speaker
• Solid MDF speaker cabinets with tuned bass ports
• 1/4"-20 threaded mounting holes for compatible Kanto speaker stands

Specifications

Fosi Audio BT20A Pro Bluetooth Stereo Power Amplifier

• Amplifier Chip: TI TPA3255
• Channels: 2.0
• Maximum Output Power: 300 W × 2 at 4 ohms
• Supported Speaker Impedance: 2–8 ohms
• Inputs: Bluetooth, RCA
• Outputs: Passive speaker terminals, pre-out
• Frequency Response: 20 Hz–20 kHz (±1.2 dB)
• Total Harmonic Distortion: ≤0.005%
• Signal-to-Noise Ratio: ≥108 dB
• Bluetooth: Version 5.0 with SBC and AAC
• Bluetooth Range: Up to 49.2 ft (15 m)
• Power Input: DC 24–48 V
• Power Supply Options: 32 V / 5 A or 48 V / 5 A
• Dimensions: 5 × 5 × 1 in (127 × 127 × 25.4 mm)

Kanto YU Passive 4-inch Bookshelf Speakers BLACK - Open Box

• Tweeters: 1 in (25.4 mm) silk dome
• Woofers: 4 in (101.6 mm) Kevlar
• Power Handling: 70 W per speaker
• Impedance: 4 ohms
• Sensitivity: 86 dB (2.83 V/1 m)
• Frequency Response: 60 Hz–20 kHz
• Speaker Terminals: Knurled speaker binding posts
• Bottom Mounting Hole: 1/4"-20
• Dimensions per Speaker: 5.5 × 7.5 × 8.7 in (14 × 19 × 22 cm)
• Net Weight per Speaker: 5.5 lb (2.5 kg)
• Gross Weight: 14.6 lb (6.6 kg) per boxed pair
• Shipping Box Dimensions: 16.7 × 13.2 × 11.3 in (42.5 × 33.5 × 28.7 cm)

What's in the Box

• 1 x Fosi Audio BT20A Pro Bluetooth Stereo Power Amplifier
• 1 x Kanto YU Passive 4" Bookshelf Speakers (Pair) BLACK - Open Box