We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Pair of black bookshelf speakers, one active with controls, one passive, rectangular cabinets with curved grilles

BMB

BMB CSJ-05SET 40W Powered Home Audio Speakers

SKU CH-BDT3-FA1K2

A powered bookshelf pair delivering 40W per channel with Bluetooth, TWS linking, microphone input for karaoke, and versatile mounting options

  • TypeBookshelf Speakers
  • ColorBlack
  • 40 W per channel drives clear karaoke vocals
  • Bluetooth streaming plus TWS pairing for wireless stereo
  • Japanese paper cone woofer with 25.5 mm voice coil for accurate sound
  • Vertical or horizontal placement with mounting holes fits any space
  • Passive CSJ-05 adds 60 W continuous power for expanded setups

What the set does and who uses it

The BMB CSJ-05SET pairs a 40W+40W active speaker with a matching passive unit to create a compact bookshelf system. It suits karaoke fans, gamers and anyone wanting portable sound for bedrooms, dorms or small gatherings. The pair can sit vertically, horizontally or be wall-mounted to fit limited space.

The specification that decides fit

Only the active CSJ-05A requires mains power and provides 40W+40W amplification, Bluetooth input and TWS linking to a second CSJ-05A. The passive CSJ-05 handles 60W continuous and 120W program power but must be driven from the active unit's speaker output.

What the bundled connections change

A single microphone input with independent echo and gain controls turns the system into a karaoke station without extra gear. RCA in and out let you chain a source or feed a subwoofer, while the speaker output drives the included passive cabinet for stereo coverage.

Highlights

  • 40 W per channel drives clear karaoke vocals
  • Bluetooth streaming plus TWS pairing for wireless stereo
  • Japanese paper cone woofer with 25.5 mm voice coil for accurate sound
  • Vertical or horizontal placement with mounting holes fits any space
  • Passive CSJ-05 adds 60 W continuous power for expanded setups

Specifications

TypeBookshelf Speakers
ColorBlack

Questions about this item

How loud will 40W per channel actually play in a living room?

The active speaker delivers 40W+40W continuous power, enough for clear music and vocals in bedrooms, apartments, dorms or small gatherings.

What does the RCA In and Bluetooth connection limit me to?

RCA In accepts a line-level source; Bluetooth adds wireless streaming. Both feed the built-in amplifier, so volume and tone are controlled on the speaker itself.

Can I mount the pair on a wall or stand?

Each cabinet has mounting holes on the wide side and can be placed vertically or horizontally, or hung horizontally where desired.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.