The Fosi Audio TDA7498E is a compact two-channel Class D amp built on the STMicro TDA7498E chip, with an RCA line input, a volume knob and speaker posts for 2–8Ω passive speakers; this kit ships with a 19V power adapter. It suits anyone adding passive speakers to a TV, PC, DAC or streamer.
Who the Fosi Audio TDA7498E is for
Passive bookshelf speakers: Binding posts drive 2–8Ω passive speakers, and Fosi lists bookshelf, ceiling and floor-standing models as matches.
TV, PC or streamer audio: The RCA line input takes a TV, computer, CD player, streamer or an external DAC or preamp.
Small desks and shelves: The aluminum chassis measures 4.13 x 3.54 x 1.38 in, with just a power toggle and a volume knob up front.
Quiet near-field listening: Fosi rates it at ≥98dB SNR and ≤0.04% THD and says it makes no pop and stays silent when nothing is playing.
Skip it if: you need Bluetooth, tone controls or a second input, or want the 24V/4.5A adapter Fosi pairs it with; this kit ships with a 19V adapter, below the amp's 24V maximum input.
Fosi Audio TDA7498E key specs
Amplifier chip: STMicro TDA7498E, Class D
Channels: 2 (stereo)
Output power: Up to 160W x 2 into 4Ω (Fosi maximum rating)
Speaker impedance: 2–8Ω
Input: RCA line in (L/R), sensitivity ≤280mV
Output: Speaker binding posts for passive speakers
Frequency range: 20Hz–20kHz (±1dB)
THD / SNR: ≤0.04% / ≥98dB
Power: 19V DC power adapter included; amp accepts 12–24V DC
Dimensions: 4.13 x 3.54 x 1.38 in
Genuine Fosi Audio stock. Free shipping on every order, 45-day returns.
Fosi Audio TDA7498E vs similar options
vs Fosi Audio BT20A Pro: Adds Bluetooth 5.0, bass and treble controls, a pre-out and swappable op-amps on a TPA3255 chip; pick the TDA7498E if one RCA input and a volume knob are all you need.
Yes. Every unit we sell is genuine and brand-new, shipped in its original packaging, and backed by our 1-year TonePier warranty and 45-day returns.
Where does my order ship from, and how long does it take?
Every order ships from our warehouse in China, with full tracking, and most orders ship within 3 business days. Shipping is free on every order; most US orders arrive within 7–15 business days and most orders to other countries within 7–20 business days — see our shipping policy for details.
What if it isn't for me?
You get 45 days to decide. Keep the packaging, keep it in like-new condition, and send it back for a refund. Ear tips unsealed for hygiene reasons are fine — we expect you to actually listen.
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