Product Overview
The Trulli BASS50 is a portable subwoofer engineered for powerful and responsive bass in a compact form factor.
Key Features
- Removable/Rechargeable Battery: Up to 40 hours playback.
- Trulli TD10S Driver: 10" subwoofer with N52 neodymium magnets.
- Baltic Birch Enclosure: Premium construction for superior acoustics and durability.
- Durable Metal Grille: Protects the driver.
- Modular Feet: For versatile orientation.
- Advanced Class D Amplifier: 400W RMS / 1000W Peak.
- Wireless Connectivity: SKAA low-latency and Bluetooth 5.1.
- Physical Inputs/Outputs: USB-C and 3.5mm AUX.
Exploded View Component Descriptions
- 1. Removable/Rechargeable Battery: Long-lasting removable & rechargeable battery delivers up to 40 hours of playback at low volume and 7 hours at full blast. Charge via wall, vehicle, or battery chargers.
- 2. Baltic Birch Enclosure: Crafted from premium Baltic birch with internal bracing and polyfil acoustic treatment for superior tonal performance and rugged durability.
- 3. Trulli TD10S Driver: Proprietary Trulli ThinDriver® 10" subwoofer featuring a massive 7" voice coil and N52 neodymium magnets, engineered for deep, responsive bass in a compact and lightweight form factor.
- 4. Durable Grille: Heavy-duty metal grille protects the driver from debris and damage while maintaining clean, acoustically transparent performance.
- 5. Modular Feet: Removable aluminum feet allow for secure horizontal or vertical orientation, adaptable to vehicles, boats, and custom setups.
- 6. Advanced Circuitry: Intelligent Class D amplifier with Active PFC delivers up to 400 watts RMS and 1000 Watts Peak of clean power with DSP-managed performance.
- 7. Wireless Connectivity: SKAA low-latency wireless protocol allows syncing up to 4 Trulli devices, with dedicated Bond Button for multi-speaker pairing and location presets. Bluetooth 5.1 for seamless wireless pairing and playback.
- 8. Physical Inputs & Outputs: USB-C Digital In/Out and 3.5 mm AUX In/Out give you the flexibility to adapt to virtually any audio setup.
Sound Specifications
System Output Power
- Output power at 1% THD+N 4 Ohm: 300 W rms
- Dynamic power output: 400 W rms (5 sec)
- Instantaneous peak power output: 1000 W pk
Speaker Info
- Model: Trulli Audio TD10S ThinDriver® patented technology subwoofer
- Nominal diameter: 7.87 in
- Mounting depth: 2.183 in
- Voice coil diameter: 7 in
- Magnet types: 16 slugs of N52 neodymium
- One way linear excursion Xmax: 9 mm
- Maximum peak linear excursion Xmech: 14 mm
- Impedance: 2 Ohm
Enclosure Architecture
- Type: Sealed
- Material: Baltic Birch with internal bracing & polyfil acoustical treatment
Sound Environment Modes
- Multi-modes: Backseat All Vehicles; Trunk Hatchback; Trunk Sedan; Trunk Small SUV; Trunk Large SUV; Off-Roader; Convertible; Indoors Studio; Indoors Stage; Tailgate; Outdoor; Universal Port Vehicle; Universal Port Venue
- Location presets automatically equalize the Bass50 to your environment. Adjustments via App, Remote, or product.
Volume Levels
Peak max SPL, in-vehicle
- Without Trulli Bass50 Universal Port: 122.7 dB SPL
- With Trulli Bass50 Universal Port: 132.4 dB SPL
30 second musical average in-vehicle
- Without Trulli Bass50 Universal Port: 112.5 dB SPL
- With Trulli Bass50 Universal Port: 115.5 dBSPL
SPL @ 1 m
- Without Trulli Bass50 Universal Port: 104 dB SPL
- With Trulli Bass50 Universal Port: Up to 122 dB or 132 dB
Adjustable Crossover (via the Trulli App)
- Low-pass crossover settings: 70, 80, 90, 100, 110, 125, 150, 225 Hz
- High-pass crossover settings: none, 60, 70, 80, 90, 100, 110, 125 Hz
Frequency Response Range (Hz)
20 Hz to 225 Hz
Amplifier
Class D
DSP
Performs equalization, dynamics enhancement, signal routing, compression and limiting.
Connectivity Specifications
Bluetooth
- Version: 5.1
- Range: 30 ft approximately
SKAA
- Modes: Host, Receiver, Bypass
- Latency: 19 ms (Pro)
- Receiver Connections: 2 (Pro), 4 (Consumer)
- Range: 50 m
Physical Interface
AUX
- Input: 3.5 mm, TRS
- Input Max Voltage: 2.1 Vrms, 2.9 Vpk
- Output: 3.5 mm, TRS
- Output Max Voltage: 2.1 Vrms, 2.9 Vpk
- Latency (AUX-In to AUX-Out): 1 ms
USB
- Input: USB-C
- Class: v1.1
- Output: USB-C
- Latency (USB-In to USB-Out): 2 ms
Trulli Host Volume Max Levels (SKAA Receiver Output)
- Standard: 1.38 Vrms
- Full: 1.38 Vrms
- Balanced: 0.73 Vrms
Battery & Power
Battery
- Type: LiFePO
- Config: 5s3p
- Weight: 3.7 lbs
- Voltage: 16 V
- Watt Hour: 172.8 Wh
- Rechargeable: Yes
- Life Expectancy: >2500 discharge cycles
- Operating Temperature Range: -4°F to 140°F (-20°C to 60°C)
- Charging Temperature Range: 32°F to 140°F (0°C to 60°C)
Playtime Expectancy
- Full volume: 7 hours
- Moderate volume: 20 hours
- Low volume: 40 hours
Battery Level Display
On battery, on Bass50, in Trulli App
Wall Charger
- Input: 100-240 V, 50-60 Hz
- Output: 24 V DC, 7.5 A
- Charge time (Bass50 off): about 2 hours
Vehicle Charger
- Output: 12.4-16 V DC
- Fuse: 10A protection fuse
- Charge time: about 2.5 hours
Battery Charger (Accessory Sold Separately)
- Input: 120-240 Vac, 50-60Hz
- Output: 18 V, 3.9 A
- Charge time: about 3 hours
Materials
- Grille: 16ga steel
- Enclosure: Baltic Birch
- Enclosure Covering: carpet or rugged coating
- End Caps: custom Trulli Plastic Blend
- Feet: aluminum with silicone pads
- Strap: 1" polyester webbing, steel quick detach connectors, rubber handle
- Bolts: steel
- Control Covers: water-resistant silicone
Size & Weight
Dimensions
- Without feet: 20.3 in x 16 in x 7 in
- With feet: 20.3 in x 17.1 in x 7.9 in
Weight
- With battery: 35.1 lb
- Without battery: 31.4 lb
General Features & Specifications
- Model: Trulli Bass50 - 10" Portable Subwoofer
- Color Options: black carpet; black rugged finish
Trulli Mobile App
- Android: app version v2.0.; min. operating system v8
- iOS: app version v2.0.; min. operating system v16.6
- Tablet: not supported

