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
Black rectangular portable speaker with carry handle and shoulder strap, wood cabinet, RGB lights visible

TENMIYA BT-A66 30W portable speaker 2.1 CH 10h 4000mAh

SKU CH-D1B6-2Y1BY

A 30W 2.1 channel portable speaker with 10 hour playtime from a 4000mAh battery, FM radio and RGB lights

  • TypeSurround/Rear Channel Speakers
  • Channels2.1 CH
  • Sold As1
  • Speakers ConfigurationSurround
  • Driver Units2.5 inches
  • Power Rating200 watts
  • 30W three-speaker system delivers powerful stereo sound
  • 1 channel design with passive subwoofer adds deep bass
  • 4000 mAh battery provides up to 10 hours playtime
  • Built-in FM radio and 3.5mm wired connection offer flexible listening
  • Comfortable handle and removable shoulder strap simplify transport

Portable 2.1 channel speaker for outdoor use

The TENMIYA BT-A66 is a portable Bluetooth speaker built around a 2.1 channel layout with a passive subwoofer. Its wooden cabinet houses 2.5 inch drivers rated for 200 watts peak power and a 30 watt three-speaker configuration. Wireless 4.2 connectivity and a 3.5 mm jack let you stream from phones or plug in a PC or TV for parties, camping or backyard listening.

Ten-hour battery life with low distortion

A built-in 4000 mAh lithium battery delivers up to 10 hours of continuous playtime on a single charge. Total harmonic distortion stays below 1% across the 27 Hz to 120 kHz frequency response, so bass remains clean at moderate volumes. The rugged wood enclosure and integrated handle with removable shoulder strap make transport simple without adding active cooling noise.

Sustained output holds steady for long sessions

Under extended playback the 30 watt system maintains its stereo separation and subwoofer impact without thermal throttling. Passive radiator design means no fan noise appears even after hours of use. Buyers who need multi-speaker pairing or a larger battery for multi-day festivals will need a different solution.

Highlights

  • 30W three-speaker system delivers powerful stereo sound
  • 1 channel design with passive subwoofer adds deep bass
  • 4000 mAh battery provides up to 10 hours playtime
  • Built-in FM radio and 3.5mm wired connection offer flexible listening
  • Comfortable handle and removable shoulder strap simplify transport

Specifications

BrandTENMIYA
SeriesBT-A66
ModelBT-A66
Part NumberBT-A66
TypeSurround/Rear Channel Speakers
Channels2.1 CH
Sold As1
Speakers ConfigurationSurround
Driver Units2.5 inches
Power Rating200 watts
Frequency Response27Hz - 120kHz
ConnectorsWireless
Remote Controlremote
Power SupplyBattery Powered
ColorBlack
CabinetWood
FeaturesRugged, Passive, Wireless, dynamic_driver, outdoor
Dimensions & Weight2.4 in x 3.96 in x 1.3 in

Questions about this item

How do I connect my phone to the BT-A66 speaker wirelessly?

Activate Bluetooth on your device and select the speaker from the available list; the 4.2 chip provides a stable wireless link for continuous playback.

What upkeep does the 4000 mAh battery need after months of use?

Recharge it fully at least once every few months when stored, and avoid leaving it empty for long periods to preserve capacity for the rated 10-hour playtime.

At what volume level does the 30 W amplifier begin to distort during a long set?

Total harmonic distortion stays below 1% at rated power, so sustained output near the 30 W limit remains clean before clipping becomes audible.

Also in this aisle

People compared these

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