The TV-20-N is a 2.1-channel TV soundbar from the Chinese maker ToneWinner, using a Class D amplifier and a low cabinet meant to sit under a television.
Key specs that matter
Two 2-inch full-range drivers handle left and right, and a 3.5-inch driver drives the internal bass channel. Output is 13 W per side plus 23 W for the bass driver, with total power under 60 W. The quoted range is 80 Hz to 20 kHz, signal to noise ratio is 98 dB A-weighted and THD is 0.18%. Inputs cover HDMI ARC, optical, coaxial, analog and Bluetooth, and files in WAV, FLAC, APE, MP3 and AAC play from a TF card or a USB drive of up to 128 GB. The bar comes in two lengths, 550 mm at 3.5 kg and 800 mm at 4.4 kg, both 71 mm high and 130 mm deep.
Pairing
A passive subwoofer can be added for deeper bass.