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Compact black rectangular amplifier with silver knobs and Bluetooth 5.0 labeling

Zell Electronics

Zell Electronics Bt30D-S Bluetooth 5.0 2.1 Channel Amplifier 50W x2 + 100W home audio speaker

SKU CH-YXQ6-9BVVK

A 2.1-channel Class D amplifier delivering 50W per channel plus 100W for a subwoofer with Bluetooth 5.0 and RCA inputs

  • Bluetooth 5.0 streams music wirelessly from phones and tablets
  • 1-channel layout powers two speakers plus a subwoofer
  • 50 W per channel drives passive bookshelf or floor-standing speakers
  • 100 W subwoofer output adds deep, controlled bass
  • Texas Instruments TPA3116D2 chips deliver efficient Class D amplification

Compact 2.1-channel amplifier for passive speakers

The Zell Electronics Bt30D-S is a Class D integrated amplifier that delivers 50 watts per channel to stereo speakers and 100 watts to a subwoofer. Bluetooth 5.0 and RCA inputs let you stream from phones or connect wired sources. Texas Instruments TPA3116D2 chips provide efficient digital amplification with selectable switching frequencies to reduce AM interference.

Simple wiring with speaker terminals and subwoofer

Binding posts accept bare wire or banana plugs for the left and right channels, while a dedicated subwoofer output connects to powered or passive subs. Subwoofer volume and crossover frequency knobs plus bass and treble controls sit on the front panel for quick tuning. The only common issue is ensuring speaker impedance matches the amplifier’s 4–8 ohm range to avoid protection shutdowns.

Suits desktop and bookshelf systems needing

Buyers who want a compact amplifier with subwoofer integration and tone controls for near-field or small-room listening will find this a good fit. Those who need more than 50 watts per channel, digital optical or HDMI inputs, or multi-room streaming should look at larger or more feature-rich alternatives.

How it compares

Measured against everything we stock in Home Speakers & Subwoofers, at today’s prices. Recalculated every night.

Price $158.99
Pricier than about 55% of the 1,147 comparable items (median $133.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I confirm the BT30D-S is powering my passive speakers correctly after pairing via Bluetooth 5.0?

Pair a source, play audio, and verify sound comes from both passive speakers and the subwoofer; then adjust the subwoofer volume and frequency knobs plus the bass and treble controls until the balance sounds right.

Which cables and passive speakers or subwoofer must I supply myself for the BT30D-S?

The amplifier provides speaker terminals for two 50 W channels and a 100 W subwoofer output plus RCA inputs; you must provide the passive speakers, passive or powered subwoofer, speaker wire, and any RCA or Bluetooth source.

Should I choose the BT30D-S 2.1-channel model or a different version for a simple desktop stereo setup?

The BT30D-S is a single 2.1-channel version delivering 50 W per main channel and 100 W to a subwoofer; if you only need stereo without a subwoofer, a 2.0-channel amp would be the alternative.

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