A four inch speaker driver delivers your music to the whole room. Turn the gathering into a karaoke party with two wireless mics with six fun voice changing effects. Bluetooth, a rechargeable battery, and a convenient carry handle make Block Party the ultimate party machine that you can take anywhere.
FEATURES:
Built-in 4" full range speaker delivers deep, decadent bass, clear midtones and smooth treble
2 wireless rechargeable microphones with vocal effects
Supports Bluetooth v5.3
Micro SD slot and USB port: supports audio file playback including MP3
Aux in (3.5mm audio input)
Color changing light effects with 6 modes: Gentle Rainbow, Color Wheel, Vivid Rainbow, Sharp Shift, Slow Morph, Dance Pulse
Mic vocal effects: High Pitch, Low Pitch, Ultra High Pitch, Ultra Low Pitch, Delay/Reverb
Audio output power: 15W
Wireless range: 33 feet
Frequency response: 20Hz - 20kHz giving you everything from rumbling bass to stunning treble
SNR: ≥88dB brings out the sound you want to hear, loud and clear
Impedance: 4ohms
2 built-in microphone holders
Microphone controls: volume up, volume down, voice effects, power on/off
DC battery power: built-in rechargeable lithium ion batteries
Battery life: ~6 hours at 50% volume with the lights off
Charge time: 4 hours
Battery life for wireless microphone: 10 hours
Charge time for wireless microphone: 90 minutes
DIMS: 7 x 5.63 x 6.42
How do I power the speaker on or off? Press and hold the Power/Play/Pause button.
How do I charge the speaker and microphones?
Speaker: Use a USB-C to USB cable (included), connect to a USB power source. LED will show red while charging and turn off when fully charged (about 4 hours).
Microphones: Same process using their individual DC power input. Charging takes about 2 hours, with approx. 10 hours of use time. Note: Microphones will not charge when placed in the holders on the speaker.
How do I connect a device via Bluetooth?
Power on the speaker – it will default to Bluetooth Mode.
On your device, select IJB425 in Bluetooth settings.
A voice prompt will confirm pairing.
If needed, press the Power/Play/Pause button twice to re-enter pairing mode.
What other audio sources are supported? The speaker supports:
Aux In (3.5mm cable included)
USB drives (up to 16GB)
MicroSD cards (up to 16GB)
How do I switch between audio modes? Press and hold the Source/Lights button to cycle through Bluetooth / Aux / USB / MicroSD.
What vocal effects are available for the microphones? There are 5 vocal effects:
High Pitch
Low Pitch
Ultra High Pitch
Ultra Low Pitch
Delay/Reverb
Use the Vocal Effects button to cycle through them.
How do I adjust mic volume or apply sound effects like echo? Use the mic controls:
Mic Vol+ / Mic Vol- to adjust mic volume
Echo, Reverb, and Tone buttons to apply effects
Vocal Override to prioritize mic over music (ideal for karaoke)
What lighting modes are available? There are 6 light effects:
Gentle Rainbow
Color Wheel
Vivid Rainbow
Sharp Shift
Slow Morph
Dance Pulse Press the Source/Lights button to cycle through effects. Double-press it to turn lights on/off.
The speaker isn’t pairing with my device. What should I do?
Make sure Bluetooth is enabled on your device.
Press the Power/Play/Pause button twice to re-enter pairing mode.
Ensure the device is within range and not connected to another device.
