The Defender 65450 speaker combines music playback with karaoke features and wireless Bluetooth 5.0 connectivity. It comes with a wireless microphone, and the 6.3 mm jack lets you connect a microphone. TWS mode enables wireless pairing with a second compatible speaker.

The DSP processor and equalizer offer Classical, Country, Jazz, Normal, Pop, and Rock sound options. The LED lighting has four modes and can be turned off. The speaker supports playback from a MicroSD card and USB drive, as well as FM radio reception.

• Type: Speaker
• Audio system: Active, 1.1, mono
• Frequency bands: 2
• Full-range speaker: 6.5 inches
• High-frequency speaker: 1.5 inches
• Speaker impedance: 4 Ohm
• High-frequency speaker impedance: 8 Ohm
• Cabinet type: Bass reflex
• Bass reflex port position: Rear
• RMS power: 50 W
• Signal-to-noise ratio: 75 dB
• Frequency range: 90–20000 Hz
• DSP processor: Yes
• Equalizer: Classical, Country, Jazz, Normal, Pop, Rock
• Connectivity: Bluetooth 5.0, USB-A, AUX audio-in
• Bluetooth range: 10 m
• Automatic shutdown after Bluetooth disconnection: 10 minutes
• True Wireless Stereo (TWS): Yes
• Display: LED
• Remote control: No
• Microphone: Wireless
• Microphone jack: 6.3 mm jack
• Microphone inputs: 1
• Lighting: LED
• Lighting effects: Yes
• Lighting modes: 4
• Lighting can be turned off: Yes
• Power supply: USB, 5 V, Li-ion battery
• Battery voltage: 7.4 V
• Battery capacity: 3600 mA·h
• Battery type: 18650, 3.7 V, 1800 mAh, 4 pcs
• Operating time: Up to 5 hours at 50% and 4 hours at 75% of maximum volume
• Charging time: 5 hours
• FM radio receiver: Yes
• FM frequency range: 87.5–108 MHz
• FM antenna: The connected AUX cable serves as an additional antenna
• MicroSD card support: Yes
• USB drive support: Yes
• Maximum supported card or USB drive capacity: 128 GB
• Audio file format: MP3
• Connectors: 6.3 mm jack, AUX audio-in, MicroSD, Type-C, USB
• On-device control panel: Yes
• Compatibility: Windows XP / 7 / 8 / 10, Android, Apple
• Enclosure material: Plastic, metal
• Color: Black