Marshall Monitor II A.N.C. vs JBL Quantum 650
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Marshall Monitor II A.N.C. |  JBL Quantum 650 |
|---|---|---|
| Price | KSh 30,000.00 | KSh 28,000.00 |
| Drivers | 40mm dynamic drivers | mm dynamic driver |
| Connection | Bluetooth or 3.5mm wired | Bluetooth |
| Active Noise Cancellation | Yes | No |
| Battery Life | 30 hours with ANC; 45 hours without ANC | Up to 45 hrs hours |
| Water & Dust Resistance | No rated protection | — |
| Weight | 320g | 331.5g |
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Full specifications
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General
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Brand | Marshall | JBL |
| Model | Monitor II A.N.C. | Quantum 650 |
| Announced | 2020 | 2025 |
| Type | Over-Ear Wireless Headphones | Over-Ear Wireless Gaming Headset |
| Color | Black | Teal, Black, White, Purple |
Design
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Weight | 320g | 331.5g |
Battery & Charging
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Battery Life | 30 hours with ANC; 45 hours without ANC | Up to 45 hrs hours |
| Charging Time | 2 hours | — |
| Fast Charging | 15 minutes provides 5 hours | No |
| Charging Port | USB-C | USB-C |
| Wireless Charging | No | No |
Connectivity
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Connection | Bluetooth or 3.5mm wired | Bluetooth |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 |
| Bluetooth Range | 10m | — |
| Connector | 3.5mm input; USB-C charging | N/A — wireless audio connection |
| App Support | Marshall Bluetooth app | No |
| Multipoint Connection | — | Yes |
| Cable Length | — | N/A — no audio cable |
Features
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Voice Assistant | Google Assistant or device voice assistant | — |
| Special Features | Foldable design; carrying bag | Multi-Platform Gaming | PC & Consoles |
Audio
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Drivers | 40mm dynamic drivers | mm dynamic driver |
| Frequency Response | 20Hz-20kHz | 20 Hz - 40 kHz |
| Impedance | 32 ohms | 32 ohM |
| Active Noise Cancellation | Yes | No |
| Transparency / Ambient Mode | Yes | No |
| Microphones | Built-in microphone and remote | 6mm Cardioid Boom Mic | Noise Cancelling |
| Audio Features | Marshall signature sound; customizable EQ | JBL Quantum Spatial Sound | Powerful, Immersive Audio |
| Spatial Audio | — | Spatial Sound |
Charging Case
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Case Type | N/A - no charging case | N/A - no charging case |
| Case Battery Life | N/A - no charging case | N/A - no charging case |
| Case Charging | N/A - no charging case | N/A - no charging case |
| Case Charging Port | N/A - no charging case | N/A - no charging case |
| Case Wireless Charging | N/A - no charging case | N/A - no charging case |
| Case Dimensions | N/A - no charging case | N/A - no charging case |
| Case Weight | N/A - no charging case | N/A - no charging case |
| Case Water & Dust Resistance | N/A - no charging case | N/A - no charging case |
| Case Features | N/A - no charging case | N/A - no charging case |
Design & Controls
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Controls | Multi-directional control knob, ANC button and M-button | On-device playback, volume and call controls |
| Water & Dust Resistance | No rated protection | — |
| Ear Tips / Ear Cushions | Over-ear cushions | Cushioned ear cups |
What's in the Box
| Specification | Marshall Monitor II A.N.C. | JBL Quantum 650 |
|---|---|---|
| Headphones / Earbuds | Monitor II A.N.C. headphones | Quantum 650 |
| Charging Case | N/A - no charging case | N/A - no charging case |
| Charging Cable | USB-C charging cable | USB-C cable |
| Audio Cable | 3.5mm audio cable | N/A — not included |
| Ear Tips / Accessories | N/A - on/over-ear design | N/A - on/over-ear design |
| Documentation | Quick start guide and safety documentation | QSG | Warranty card | Warning card |